Celestron FirstScope Telescope
$ 71.95 - Sold Out
Celestron FirstScope Telescope
Celestron SKU: 21024 | Helix SKU: CT21024
Overview
- High quality Dobsonian style stand with a 76 mm reflector optical tube make FirstScope an ideal entry level astronomical telescope.
- Portable and lighweight table-top design makes it easy to store, transport and setup your FirstScope Telescope
- FirstScope is very easy to observe with, the user simply navigates the night sky by moving the tube in the direction of their desired object.
- Stylish and decorative design makes FirstScope a wonderful keepsake for anyone interested in astronomy.
Description
FirstScope pays tribute to the men and women who brought us one step closer to understanding the universe around us!
In 1609, world-renowned Italian scientist, Galileo Galilei, introduced an elementary telescope to the growing astronomy community which sparked interest into the mysterious night sky for centuries to come. Four centuries later, Celestron offers the portable FirstScope Telescope. The FirstScope pays tribute to Galileo Galilei and many of history’s most notable astronomers and scientists by displaying their names around the optical tube. We honor the contributions of these men and women, who brought us one step closer to understanding the universe around us.
The FirstScope is a wonderful keepsake for anyone interested in astronomy. This quality Dobsonian style telescope features a 76 mm aperture reflector optical tube. FirstScope is an ideal entry level astronomical telescope. It is very easy to observe with, the user simply navigates the night sky by moving the tube in the direction of their desired object, making the viewing experience a snap! The compact design makes it easy enough to take with you on your next outdoor adventure. FirstScope is also stylish enough to be a decorative fixture on your bookshelf or desk.
Specifications
| Aperture (mm) | 76 mm (2.99 in) |
| Focal Length | 300 mm (12 in) |
| Focal Length of Eyepiece 1 ... | 20 mm (0.79 in) |
| Focal Length of Eyepiece 2 ... | 4 mm (0.16 in) |
| Focal Ratio | 3.95 |
| Highest Useful Magnification | 180 x |
| Light Gathering Power (Comp... | 118 x |
| Limiting Stellar Magnitude | 11.9 |
| Lowest Useful Magnification | 11 x |
| Magnification of Eyepiece 1 | 15 x |
| Magnification of Eyepiece 2 | 75 x |
| Optical Design | Newtonian Reflector |
| Optical Tube Info: | N.A. |
| Resolution (Dawes) | 1.53 arc seconds |
| Resolution (Rayleigh) | 1.83 arc seconds |
| Warranty | 2-year Telescope Warranty |
Sky-Watcher Classic 200P Dobsonian Telescope
$ 655.00 - Sold Out
Sky-Watcher Classic 200P Dobsonian Telescope
Sky-Watcher SKU: S11610 | Helix SKU: CTS11610
| SKU | S11610 |
| UPC | 050234116107 |
| Optical Info | |
|---|---|
| Optical Design | Newtonian |
| Mirror Coatings | 94% Aluminum |
| Glass Type | Borosilicate |
| True Aperture (mm) | 257 |
| Primary Aperture (mm) | 203 |
| F/Ratio | 5.9 |
| Focal Length (mm) | 1200 |
| Secondary Diameter | 48mm |
| Secondary Obstruction (by diameter) | 24% |
| Secondary Obstruction by Area | 6% |
| Observational Info | |
| Dawes Limit | 0.57 |
| Rayleigh Limit | 0.69 |
| Limiting Mag. | 14 |
| Minimum Magnification | 29 |
| Maximum Magnification | 400 |
| Light Gathering (compared to next size down) | 78% |
| General Info | |
| Focuser | 2" Crayford |
| OTA Length (Retract/Ext.) | 43" |
| OTA Outer Diameter | 9.375" |
| OTA Weight (with accessories) | 20 |
| Dob Base Weight | 25 |
| Dob Base Measurements | 29"x20.5" |
| Zenith Eyepiece Height | 45" |
| Accessories | |
| Included Finder | 9x50 Finder |
| Included Diagonal | No |
| Included Eyepieces | 25/10 Super (modified Kellner) |
| Magnification w/ Included Eyepieces | 48x/120x |
| Included Case | No |
| Corrector | No |
Sky-Watcher Classic 250P Dobsonian Telescope
$ 910.00 - Sold Out
Sky-Watcher Classic 250P Dobsonian Telescope
Sky-Watcher SKU: S11620 | Helix SKU: CTS11620
| SKU | S11620 |
| UPC | 050234116206 |
| Optical Info | |
|---|---|
| Optical Design | Newtonian |
| Mirror Coatings | 94% Aluminum |
| Glass Type | Borosilicate |
| Primary Aperture (mm) | 254 |
| F/Ratio | 4.7 |
| Focal Length (mm) | 1200 |
| Secondary Diameter | 64mm |
| Secondary Obstruction (by diameter) | 25% |
| Secondary Obstruction by Area | 6% |
| Observational Info | |
| Dawes Limit | 0.46 |
| Rayleigh Limit | 0.55 |
| Limiting Mag. | 14.5 |
| Minimum Magnification | 36 |
| Maximum Magnification | 500 |
| Light Gathering (compared to next size down) | 57% |
| General Info | |
| Focuser | 2" Crayford |
| OTA Length (Retract/Ext.) | 45" |
| OTA Outer Diameter | 11.375" |
| OTA Weight (with accessories) | 28 |
| Dob Base Weight | 25 |
| Dob Base Measurements | 29"x20.5" |
| Zenith Eyepiece Height | 48" |
| Accessories | |
| Included Finder | 9x50 Finder |
| Included Diagonal | No |
| Included Eyepieces | 25/10 Super (modified Kellner) |
| Magnification w/ Included Eyepieces | 48x/120x |
| Included Case | No |
| Corrector | No |
Sky-Watcher Flextube 200P Collapsible Dobsonian Telescope
$ 755.00 - Sold Out
Sky-Watcher Flextube 200P Collapsible Dobsonian Telescope
Sky-Watcher SKU: S11700 | Helix SKU: CTS11700
Sky-Watcher 8" DOB - Join the Ranks of Serious Observers
Corresponding to the escalating "aperture fever" that has gripped amateur astronomy for several decades, an 8" diameter is now generally regarded as the minimum entry-level aperture for serious observing. The low cost, large diameter, and fast focal ratio of the 8" Sky-Watcher Dobsonian make it an ideal dedicated telescope for wide-field, deep-space observation of faint galaxies, nebulae, and star clusters. The low-power dramatically captures wide swaths of sky in a single view. Galaxies and nebula appear to pop out of the heavens as bright, expansive masses of stars, gas, and dust.
Observing with the 8" Sky-Watcher Dobsonian
If you have never before observed through a high-quality, wide-field Dobsonian, like the SW 8" DOB, you are in for one of the sweetest experiences in amateur astronomy. Imagine the exhilaration of opening a clam and discovering a pearl. The sky is full of pearls, astronomical pearls. While they won't make you rich in the financial sense, for amateur astronomers at least, observing the fabled pearls of deep-space is a rich and even exhilarating pastime. A catharsis for the soul that renders the mundane insignificant, and reconnects us with the inner child who revels in awe and wonderment. A night observing with the SW 8" Dob can leave you with a lingering sense of contentment long after the evening's viewing is over. Some of amateur astronomy's most revered and enthusiastically observed extra solar-system objects are now within your reach. This instrumentation provides entry into the brotherhood of serious amateur astronomers—you have arrived! The summer sky is aglow with astronomical pearls. In the constellation Sagittarius several of the sky's most prominent emission nebulae can be seen well in your 8" SW DOB. The Lagoon Nebula (M8) is a rich aggregation of dust and gasses illuminated by its youthful central stars. This is an area of star formation, the universe giving birth. The Lagoon Nebula appears fiery red in astrophotographs due to the hot hydrogen gas. Located nearby is the smaller, but very beautiful Trifid Nebula (M20). These two nebulae can actually be seen in the same field of view. The magnificent Swan Nebula (M17) is also located in Sagittarius. It is named the Swan for its resemblance to the stately bird. The sky's most awesome globular star cluster, M13, is located in the constellation Hercules, a bee-hive of thousands of stars swarming about a central core. Globular clusters are no longer being formed in the universe, so you are observing fossil light, a glimpse back in time. This is the brightest object of its kind and always a treat to view. The globular cluster M92 is likewise very interesting and can also be found in Hercules. The winter sky holds several stunning pearls oft referred to in popular culture, not just astronomy. Our closest external galaxy, the beautiful Andromeda, perhaps the defining galaxy of the classic spiral form can essentially be seen almost in its entirety within one eyepiece field. Winter's diffuse Great Orion Nebula (M42) is the brightest emission nebula in the heavens. While it can be seen with the naked eye from a dark location, it is nothing less than spectacular in an 8" SW DOB. A billowing cloud-like cauldron of dust and gasses illuminated by large, intensely glowing youthful stars, this object is perhaps the mother of all pearls. The preceding is just a short sampling of objects that can be seen. Many more pearls of the night sky await you.
Sky-Watcher Dobsonians Epitomize Ease-of-Use
Observing with a Dobsonian has been described akin to shooting ducks in a gallery because it is so easy to find your target. Just swing your SW DOB to the quadrant of sky to be searched, and scan the vicinity. An 8x50mm Right Angle optical viewfinder provides both magnification and light-gathering to help narrow your search for those elusive fuzzies when star-hopping. The standard-equipment backlash-free 2" Crayford Focuser insures ultra smooth focusing adjustments. Multi-coated, 4-element Plössl eyepieces (25mm and 10mm) provide a spacious 52° Apparent Field of View. To ensure mechanical ease-of-use, SW uses a high-performance Teflon bearing system in both axes combined with tension adjustment in altitude to facilitate setting the appropriate amount of friction, assuring smooth vertical and horizontal manual movement without free-play from small bumps or gusts of wind. This also eliminates the need to have a balanced optical tube as in an equatorial mount. Sky-Watcher's Teflon bearing system is preferable to the use of ball-bearings. Ball-bearings make unintended movement of the optical tube more difficult to control. Fortunately, at low power, deep-space objects leisurely drift through the field of the SW 8" DOB, so constant mechanical adjustment of the telescope's orientation isn't needed to keep objects in the field of view. Sky-Watcher's revolutionary truss-support concept allows the optical tube's front and back cells to collapse together, aligning on the truss support rods which can then be locked down for easy and secure telescope transport. This one piece, low-hassle OTA design is mechanically simple and results in large aperture telescopes that can be reasonably handled and transported by one individual. This innovation gives Sky-Watcher users tremendous functional ease-of-transportability.
Sky-Watcher Uses Quality Components Throughout
The Sky-Watcher 8" DOB utilizes quality components throughout. Pride of workmanship manifests itself in high quality standards of optical and mechanical fabrication. The polishing process for primary and diagonal mirror yields smooth mirror surfaces ensuring good contrast, and properly corrected optics show minimum alterations to the optical wave-front. On each primary mirror, and elliptical diagonal mirror aluminum is vacuum deposited to the front glass surface and then over coated with hard quartz (SiO4). Additional layers of Titanium Dioxide (TiO2) and (SiO4) are then applied. Dust covers help keep your DOB clean when not in use. The mechanical and structural components of the OTA exhibit rigid construction and outstanding stability. The mount construction is sturdy and rigid. Mount design, while simple, facilitates smooth motions about both axes. Quality accessories enhance the observer's viewing experience.
Specifications:
| SKU | S11700 |
| UPC | 050234117005 |
| Optical Info | |
|---|---|
| Optical Design | Newtonian |
| Mirror Coatings | 94% Aluminum |
| Glass Type | Borosilicate |
| Primary Aperture (mm) | 203 |
| F/Ratio | 5.9 |
| Focal Length (mm) | 1200 |
| Secondary Diameter | 48mm |
| Secondary Obstruction (by diameter) | 24% |
| Secondary Obstruction by Area | 6% |
| Observational Info | |
| Dawes Limit | 0.57 |
| Rayleigh Limit | 0.69 |
| Limiting Mag. | 14 |
| Minimum Magnification | 29 |
| Maximum Magnification | 400 |
| Light Gathering (compared to next size down) | 78% |
| General Info | |
| Focuser | 2" Crayford |
| OTA Length (Retract/Ext.) | 33"/44" |
| OTA Outer Diameter | 9.375" |
| OTA Weight (with accessories) | 24.2 |
| Dob Base Weight | 26 |
| Dob Base Measurements | 29.5"x20" |
| Zenith Eyepiece Height | 44.5" |
| Accessories | |
| Included Finder | 8x50 RACI |
| Included Diagonal | No |
| Included Eyepieces | 25/10 Plossl |
| Magnification w/ Included Eyepieces | 48x/120x |
| Included Case | No |
| Corrector | No |
Sky-Watcher Flextube 200P SynScan GoTo Collapsible Dobsonian Telescope
$ 1,450.00 - Sold Out
Sky-Watcher Flextube 200P SynScan GoTo Collapsible Dobsonian Telescope
Sky-Watcher SKU: S11800 | Helix SKU: CTS11800
The exciting new Sky-Watcher Dobsonian SynScan series is precision engineered instrument that will allow you to easily find and enjoy viewing night sky treasures, such as Planets, Nebulae, Star Clusters, Galaxies and much more. With its patented collapsible tube design, these Dobsonians are truly the ultimate in portability and performance.
The elegant truss tube design was carefully engineered to combine ease of use, extreme portability and consistent performance in an affordable package. Unlike other truss tube designs, the SkyWatcher Flextube Dobsonian does not need to be disassembled between uses. It transports as two compact pieces that can be assembled and ready to use in just seconds! It is easy to collimate once set up, and it holds its collimation throughout the evening! The patented Tension Control Handle allows users to add or reduce tension, thereby increasing or decreasing the friction between the optical tube and the sideboards. The SynScan™ AZ hand control allows you point your telescope at a specific object, or even tour the night sky at the touch of a button!! The user-friendly menu system allows automatic slewing to over 42,900 objects. Even an inexperienced astronomer can master its variety of features in a few observing sessions. The patented dual encoder design allows the telescope to be moved manually whenever the user wishes - but with no need for re-alignment! The Sky-Watcher Dobsonian SynScan series combines the convenience and affordability of the traditional Dobsonian with the convenience of a computerized Go-To telescope.
SynScan™ AZ hand control SPECIFICATIONS:- Built-in WiFi control
- Power Supply: 10 to 15 V DC 1Amp, 2.1mm Plug (Center positive)
- Motor type: DC Servo Motors,
- Resolution: Motor encoder: 1,620,000 counts per revolution, Main axis encoder: 11,748 counts per revolution
- Slew speeds: 1.0X, 2.0X, 8X, 16X, 32X, 200X, 400X, 600X, 800X, 1000X
- Tracking Rates: Sidereal, Lunar, Solar
- Tracking Mode: Dual Axes Tracking
- Alignment Method: Brightest-Star Alignment, Two-Star Alignment
- Database: 25 user defined objects. Complete M, NGC and IC catalog, partial SAO catalogues, total 42,900 objects
- Go-To Pointing Accuracy: Up to 5 arc min
| SKU | S11800 |
| UPC | 050234118002 |
| Optical Info | |
|---|---|
| Optical Design | Newtonian |
| Mirror Coatings | 94% Aluminum |
| Glass Type | Borosilicate |
| Primary Aperture (mm) | 203 |
| F/Ratio | 5.9 |
| Focal Length (mm) | 1200 |
| Secondary Diameter | 48mm |
| Secondary Obstruction (by diameter) | 24% |
| Secondary Obstruction by Area | 6% |
| Observational Info | |
| Dawes Limit | 0.57 |
| Rayleigh Limit | 0.69 |
| Limiting Mag. | 14 |
| Minimum Magnification | 29 |
| Maximum Magnification | 400 |
| Light Gathering (compared to next size down) | 78% |
| General Info | |
| Focuser | 2" Crayford |
| OTA Length (Retract/Ext.) | 33"/44" |
| OTA Outer Diameter | 9.375" |
| OTA Weight (with accessories) | 24.2 |
| Dob Base Weight | 33 |
| Dob Base Measurements | 30"x20" |
| Zenith Eyepiece Height | 47" |
| Accessories | |
| Included Finder | 9x50 Finder |
| Included Diagonal | No |
| Included Eyepieces | 25/10 Plossl |
| Magnification w/ Included Eyepieces | 48x/120x |
| Included Case | No |
| Corrector | No |
Sky-Watcher Flextube 250P Collapsible Dobsonian Telescope
$ 1,020.00 - Sold Out
Sky-Watcher Flextube 250P Collapsible Dobsonian Telescope
Sky-Watcher SKU: S11720 | Helix SKU: CTS11720
The Sky-Watcher 10" DOB: The Sweet-Spot for Aperture and Value!
This is a big, friendly horse of a telescope you can ride off into the sunset with, and then thrill to well resolved celestial views when twilight fades. The SW 10" DOB is an very satisfying telescope to own, an instrument that will provide a lifetime of continuing exploration of the heavens. This telescope will hit the sweet-spot for many amateurs, providing all the capability and value you are seeking in a large aperture telescope. Sky-Watcher's revolutionary truss-support concept allows the optical tube's front and back cells to collapse together, aligning on the truss support rods which can then be locked down for easy and secure telescope transport. This one piece, low-hassle OTA design is mechanically simple and results in a large aperture telescope that can be reasonably handled and transported by one individual. This innovation gives Sky-Watcher users tremendous functional ease-of-transportability.
Viewing with the SW 10"—Size Does Matter
In viewing deep-space, aperture matters—big time! With this telescope you have tremendous light gathering power. Prominent deep-space objects seen well in an 8" SW DOB, such as diffuse emission nebulae in the summer sky like the Lagoon (M8), Trifid (M20), and Swan (M17); the stunning globular star clusters M13 and M92 in Constellation Hercules; the awesome winter sky's Great Orion Nebula (M42) in Constellation Orion, and our enormous local galaxy group companion the Andromeda Galaxy (M31) in Constellation Andromeda, to name a very few, will appear more spectacular, brilliant, and wider in extension in a SW 10" DOB. Many challenging objects for an 8" aperture now come into their own with the SW 10" DOB: the planetary nebula the Crab (M1), a supernova remnant, requires a 10" aperture to truly begin to appreciate the several subtle, gaseous filamentary structures. M33 the spiral galaxy in Constellation Triangulum exhibits significantly more open arm structure. The Rosette Nebula in Monoceros begins to show the discernible pattern of a blooming rose. M51, the fascinating spiral Whirlpool Galaxy, displays remarkable greater structural detail in a 10" aperture vs. 8" diameter size telescope. There is no question the incremental resolving power of a 10-inch aperture is visually impressive when compared to an 8-inch. Therefore, it is no wonder then that the 10" aperture is overtaking the 8" as the serious amateur astronomer's aperture of choice in a Dobsonian telescope. Sky-Watcher's compact, collapsible optical tube design makes the decision to step up in aperture to a 10" even easier.
Sky-Watcher 10" DOB – a Class Act!
The Sky-Watcher 10" DOB utilizes quality components throughout. Pride of workmanship manifests itself in high quality standards of optical and mechanical fabrication. The polishing process for primary and diagonal mirror yields smooth mirror surfaces ensuring good contrast, and properly corrected optics show minimum alterations to the optical wave-front. On each parabolic primary mirror, and elliptical diagonal mirror aluminum is vacuum deposited to the front glass surface and then over coated with hard quartz (SiO4). Additional layers of Titanium Dioxide (TiO2) and (SiO4) are then applied The mechanical and structural components of the OTA exhibit rigid construction and outstanding stability. The mount construction is sturdy and rigid. Mount design, while simple, facilitates smooth motions about both axes. Quality accessories enhance the observer's viewing experience.
Sky-Watcher Dobsonians Epitomize Ease-of-Use
Observing with a Dobsonian has been described akin to shooting ducks in a gallery because it is so easy to find your target. Just swing your SW DOB to the quadrant of sky to be searched, and scan the vicinity. An 8x50mm Right Angle optical viewfinder provides both magnification and light gathering to help narrow your search for those elusive fuzzies when star-hopping. The standard-equipment backlash-free 2" Crayford Focuser insures ultra smooth focusing adjustments. Multi-coated, 4-element Plössl eyepieces (25mm and 10mm) provide a spacious 52° Apparent Field of View. To ensure mechanical ease-of-use, SW uses a high-performance Teflon bearing system in both axes combined with tension adjustment in altitude to facilitate setting the appropriate amount of friction, assuring smooth vertical and horizontal manual movement without free-play from small bumps or gusts of wind. This also eliminates the need to have a balanced optical tube as in an equatorial mount. Sky-Watcher's Teflon bearing system is preferable to the use of ball-bearings. Ball-bearings make unintended movement of the optical tube more difficult to control. Fortunately, at low power, deep-space objects leisurely drift through the field of the SW 10" DOB, so constant mechanical adjustment of the telescope's orientation isn't needed to keep objects in the field of view.
Specifications:
| SKU | S11720 |
| UPC | 050234117203 |
| Optical Info | |
|---|---|
| Optical Design | Newtonian |
| Mirror Coatings | 94% Aluminum |
| Glass Type | Borosilicate |
| True Aperture (mm) | 257 |
| Primary Aperture (mm) | 254 |
| F/Ratio | 4.7 |
| Focal Length (mm) | 1200 |
| Secondary Diameter | 64mm |
| Secondary Obstruction (by diameter) | 25% |
| Secondary Obstruction by Area | 6% |
| Observational Info | |
| Dawes Limit | 0.46 |
| Rayleigh Limit | 0.55 |
| Limiting Mag. | 14.5 |
| Minimum Magnification | 36 |
| Maximum Magnification | 500 |
| Light Gathering (compared to next size down) | 57% |
| General Info | |
| Focuser | 2" Crayford |
| OTA Length (Retract/Ext.) | 31.5"/44" |
| OTA Outer Diameter | 11.375" |
| OTA Weight (with accessories) | 33 |
| Dob Base Weight | 26.5 |
| Dob Base Measurements | 29.5"x20" |
| Zenith Eyepiece Height | 48" |
| Accessories | |
| Included Finder | 8x50 RACI |
| Included Diagonal | No |
| Included Eyepieces | 25/10 Plossl |
| Magnification w/ Included Eyepieces | 48x/120x |
| Included Case | No |
| Corrector | No |
Sky-Watcher Flextube 250P SynScan GoTo Collapsible Dobsonian Telescope
$ 1,715.00 - Sold Out
Sky-Watcher Flextube 250P SynScan GoTo Collapsible Dobsonian Telescope
Sky-Watcher SKU: S11810 | Helix SKU: CTS11810
The exciting new Sky-Watcher Dobsonian SynScan series is precision engineered instrument that will allow you to easily find and enjoy viewing night sky treasures, such as Planets, Nebulae, Star Clusters, Galaxies and much more. With its patented collapsible tube design, these Dobsonians are truly the ultimate in portability and performance.
The elegant truss tube design was carefully engineered to combine ease of use, extreme portability and consistent performance in an affordable package. Unlike other truss tube designs, the SkyWatcher Flextube Dobsonian does not need to be disassembled between uses. It transports as two compact pieces that can be assembled and ready to use in just seconds! It is easy to collimate once set up, and it holds its collimation throughout the evening! The patented Tension Control Handle allows users to add or reduce tension, thereby increasing or decreasing the friction between the optical tube and the sideboards. The SynScan™ AZ hand control allows you point your telescope at a specific object, or even tour the night sky at the touch of a button!! The user-friendly menu system allows automatic slewing to over 42,900 objects. Even an inexperienced astronomer can master its variety of features in a few observing sessions. The patented dual encoder design allows the telescope to be moved manually whenever the user wishes - but with no need for re-alignment! The Sky-Watcher Dobsonian SynScan series combines the convenience and affordability of the traditional Dobsonian with the convenience of a computerized Go-To telescope.
SynScan™ AZ hand control SPECIFICATIONS:
- Built-in WiFi control
- Power Supply: 10 to 15 V DC 1Amp, 2.1mm Plug (Center positive)
- Motor type: DC Servo Motors,
- Resolution: Motor encoder: 1,620,000 counts per revolution, Main axis encoder: 11,748 counts per revolution
- Slew speeds: 1.0X, 2.0X, 8X, 16X, 32X, 200X, 400X, 600X, 800X, 1000X
- Tracking Rates: Sidereal, Lunar, Solar
- Tracking Mode: Dual Axes Tracking
- Alignment Method: Brightest-Star Alignment, Two-Star Alignment
- Database: 25 user defined objects. Complete M, NGC and IC catalog, partial SAO catalogues, total 42,900 objects
- Go-To Pointing Accuracy: Up to 5 arc min
Specifications:
| SKU | S11810 |
| UPC | 050234118101 |
| Optical Info | |
|---|---|
| Optical Design | Newtonian |
| Mirror Coatings | 94% Aluminum |
| Glass Type | Borosilicate |
| True Aperture (mm) | 257 |
| Primary Aperture (mm) | 254 |
| F/Ratio | 4.7 |
| Focal Length (mm) | 1200 |
| Secondary Diameter | 64mm |
| Secondary Obstruction (by diameter) | 25% |
| Secondary Obstruction by Area | 6% |
| Observational Info | |
| Dawes Limit | 0.46 |
| Rayleigh Limit | 0.55 |
| Limiting Mag. | 14.5 |
| Minimum Magnification | 36 |
| Maximum Magnification | 500 |
| Light Gathering (compared to next size down) | 57% |
| General Info | |
| Focuser | 2" Crayford |
| OTA Length (Retract/Ext.) | 31.5"/44" |
| OTA Outer Diameter | 11.375" |
| OTA Weight (with accessories) | 33 |
| Dob Base Weight | 39 |
| Dob Base Measurements | 30"x20" |
| Zenith Eyepiece Height | 49" |
| Accessories | |
| Included Finder | 9x50 Finder |
| Included Diagonal | No |
| Included Eyepieces | 25/10 Plossl |
| Magnification w/ Included Eyepieces | 48x/120x |
| Included Case | No |
| Corrector | No |
Sky-Watcher Flextube 300P Collapsible Dobsonian Telescope
$ 1,715.00 - Sold Out
Sky-Watcher Flextube 300P Collapsible Dobsonian Telescope
Sky-Watcher SKU: S11740 | Helix SKU: CTS11740
Sky-Watcher 12" DOB: Deep-Space Hero!
The Sky-Watcher 12" DOB is a big gun. If you are shooting for well resolved, elusive 12th-magnitude fuzzies, you now have the power. In fact, a very significant wow-factor extends down to viewing the stuff people usually concentrate on with 8" and 10" telescopes. Except they say, "WOW!", when they view through this super aperture amateur 12" SW telescope. You can not only be a hero to yourself, but a mystical guru to other backyard astronomers, scout groups, friends, and neighbors. Astronomy is a great hobby to share, and a SW 12" DOB makes you potentially the hit of any star party. Well, so much for ego satisfaction—the point is—the SW 12" DOB is a serious telescope that will be purchased by a serious amateur who wants serious deep-sky penetrating resolution. Be advised this Light Chariot is one sweet astronomical ride!
Viewing through the SW 12" DOB
Everything in deep-space appears brighter, and wider in extension with the SW 12" DOB. Many of the more challenging to resolve objects in smaller diameter telescopes now reveal their essential structure. Objects just within the threshold of a 10" aperture now appear more prominent and may be worth dwelling upon for extended periods. Comet hunters will delight in the fainter magnitudes that are possible to discern in the SW 12" DOB. Here at last is a telescope within the threshold to tackle elusive deep-space gems like the Horsehead Nebula in Constellation Orion. Located in Constellation Perseus, M76, is a very faint nebula of 11th magnitude. The SW 12" will capture this baby like you want to see it. M97, a planetary nebula in Ursa Major is very faint, but as a serious amateur you will want to see it. No worries, the SW 12" DOB will fulfill your quest. M61, a spiral galaxy in Constellation Virgo, will reveal spiral arms as you would hope to see them, but you will need a SW 12" telescope to resolve them well. The list goes on, and you will delight in planning your own journey of exploration. The incremental resolving power of the SW 12" aperture is beyond just being impressive, it's within amateur astronomy's super aperture threshold where the lucky observer is able to resolve well, many, many objects that smaller telescopes just don't have the horsepower to detail satisfactorily because they can't pull in enough light. Again, Sky-Watcher's compact, collapsible optical tube design makes this super aperture 12" DOB a far more practical decision to purchase.
The 12" Sky-Watcher Establishes a New Standard in Large Aperture Ease-of-Use
Observing with a Dobsonian has been described akin to shooting ducks in a gallery because it is so easy to find your target. Just swing your SW DOB to the quadrant of sky to be searched, and scan the vicinity. An 8x50mm Right Angle optical viewfinder provides both magnification and light-gathering to help narrow your search for those elusive fuzzies when star-hopping. The standard-equipment backlash-free 2" Crayford Focuser insures ultra smooth focusing adjustments. Multi-coated, 4-element Plössl eyepieces (25mm and 10mm) provide a spacious 52° Apparent Field of View. To ensure mechanical ease-of-use, SW uses a high performance Teflon bearing system in both axes combined with tension adjustment in altitude to facilitate setting the appropriate amount of friction, assuring smooth vertical and horizontal manual movement without free-play from small bumps or gusts of wind. This also eliminates the need to have a balanced optical tube as in an equatorial mount. Sky-Watcher's Teflon bearing system is preferable to the use of ball-bearings. Ball-bearings make unintended movement of the optical tube more difficult to control. Fortunately, at low power, deep-space objects leisurely drift through the field of the SW 12" DOB, so constant mechanical adjustment of the telescope's orientation isn't needed to keep objects in the field of view. Sky-Watcher's revolutionary truss-support concept allows the optical tube's front and back cells to collapse together, aligning on the truss support rods which can then be locked down for easy and secure telescope transport. This one piece, low-hassle OTA design is mechanically simple and results in large aperture telescopes that can be reasonably handled and transported by one individual. This innovation gives Sky-Watcher users tremendous functional ease-of-transportability.
Sky-Watcher Uses Quality Components Throughout
The Sky-Watcher 12" DOB utilizes quality components throughout. Pride of workmanship manifests itself in high quality standards of optical and mechanical fabrication. The polishing process for primary and diagonal mirror yields smooth mirror surfaces ensuring good contrast, and properly corrected optics show minimum alterations to the optical wave-front. On each primary mirror, and elliptical diagonal mirror aluminum is vacuum deposited to the front glass surface and then over coated with hard quartz (SiO4). Additional layers of Titanium Dioxide (TiO2) and (SiO4) are then applied. Dust covers are provided to help keep your DOB clean when not being used. The mechanical and structural components of the OTA exhibit rigid construction and outstanding stability. The mount construction is sturdy and rigid. Mount design, while simple, facilitates smooth motions about both axes. Quality accessories enhance the observer's viewing experience.
Specifications:
| SKU | S11740 |
| UPC | 050234117401 |
| Optical Info | |
|---|---|
| Optical Design | Newtonian |
| Mirror Coatings | 94% Aluminum |
| Glass Type | Borosilicate |
| Primary Aperture (mm) | 305 |
| Primary Edge Thickness | 38mm |
| F/Ratio | 4.9 |
| Focal Length (mm) | 1500 |
| Secondary Diameter | 70mm |
| Secondary Obstruction (by diameter) | 23% |
| Secondary Obstruction by Area | 5% |
| Observational Info | |
| Dawes Limit | 0.38 |
| Rayleigh Limit | 0.46 |
| Limiting Mag. | 14.9 |
| Minimum Magnification | 43 |
| Maximum Magnification | 600 |
| Light Gathering (compared to next size down) | 44% |
| General Info | |
| Focuser | 2" Crayford |
| OTA Length (Retract/Ext.) | 36"/55" |
| OTA Outer Diameter | 14.25" |
| OTA Weight (with accessories) | 46.2 |
| Dob Base Weight | 38.3 |
| Dob Base Measurements | 29"x25" |
| Zenith Eyepiece Height | 55.5" |
| Accessories | |
| Included Finder | 8x50 RACI |
| Included Diagonal | No |
| Included Eyepieces | 25/10 Plossl |
| Magnification w/ Included Eyepieces | 60x/150x |
| Included Case | No |
| Corrector | No |
Sky-Watcher Flextube 300P SynScan GoTo Collapsible Dobsonian Telescope
$ 2,560.00 - Sold Out
Sky-Watcher Flextube 300P SynScan GoTo Collapsible Dobsonian Telescope
Sky-Watcher SKU: S11820 | Helix SKU: CTS11820
The exciting new Sky-Watcher Dobsonian SynScan series is precision engineered instrument that will allow you to easily find and enjoy viewing night sky treasures, such as Planets, Nebulae, Star Clusters, Galaxies and much more. With its patented collapsible tube design, these Dobsonians are truly the ultimate in portability and performance.
The elegant truss tube design was carefully engineered to combine ease of use, extreme portability and consistent performance in an affordable package. Unlike other truss tube designs, the SkyWatcher Flextube Dobsonian does not need to be disassembled between uses. It transports as two compact pieces that can be assembled and ready to use in just seconds! It is easy to collimate once set up, and it holds its collimation throughout the evening! The patented Tension Control Handle allows users to add or reduce tension, thereby increasing or decreasing the friction between the optical tube and the sideboards. The SynScan™ AZ hand control allows you point your telescope at a specific object, or even tour the night sky at the touch of a button!! The user-friendly menu system allows automatic slewing to over 42,900 objects. Even an inexperienced astronomer can master its variety of features in a few observing sessions. The patented dual encoder design allows the telescope to be moved manually whenever the user wishes - but with no need for re-alignment! The Sky-Watcher Dobsonian SynScan series combines the convenience and affordability of the traditional Dobsonian with the convenience of a computerized Go-To telescope.
SynScan™ AZ hand control SPECIFICATIONS:- Built-in WiFi control
- Power Supply: 10 to 15 V DC 1Amp, 2.1mm Plug (Center positive)
- Motor type: DC Servo Motors,
- Resolution: Motor encoder: 1,620,000 counts per revolution, Main axis encoder: 11,748 counts per revolution
- Slew speeds: 1.0X, 2.0X, 8X, 16X, 32X, 200X, 400X, 600X, 800X, 1000X
- Tracking Rates: Sidereal, Lunar, Solar
- Tracking Mode: Dual Axes Tracking
- Alignment Method: Brightest-Star Alignment, Two-Star Alignment
- Database: 25 user defined objects. Complete M, NGC and IC catalog, partial SAO catalogues, total 42,900 objects
- Go-To Pointing Accuracy: Up to 5 arc min
Specifications:
| SKU | S11820 |
| UPC | 050234118200 |
| Optical Info | |
|---|---|
| Optical Design | Newtonian |
| Mirror Coatings | 94% Aluminum |
| Glass Type | Borosilicate |
| Primary Aperture (mm) | 305 |
| F/Ratio | 4.9 |
| Focal Length (mm) | 1500 |
| Secondary Diameter | 70mm |
| Secondary Obstruction (by diameter) | 23% |
| Secondary Obstruction by Area | 5% |
| Observational Info | |
| Dawes Limit | 0.38 |
| Rayleigh Limit | 0.46 |
| Limiting Mag. | 14.9 |
| Minimum Magnification | 43 |
| Maximum Magnification | 600 |
| Light Gathering (compared to next size down) | 44% |
| General Info | |
| Focuser | 2" Crayford |
| OTA Length (Retract/Ext.) | 36"/55" |
| OTA Outer Diameter | 14.25" |
| OTA Weight (with accessories) | 46.2 |
| Dob Base Weight | 53 |
| Dob Base Measurements | 32.5"x25" |
| Zenith Eyepiece Height | 58.5" |
| Accessories | |
| Included Finder | 9x50 Finder |
| Included Diagonal | No |
| Included Eyepieces | 25/10 Plossl |
| Magnification w/ Included Eyepieces | 60x/150x |
| Included Case | No |
| Corrector | No |
Sky-Watcher Flextube 350P SynScan GoTo Collapsible Dobsonian Telescope
$ 3,615.00 - Sold Out
Sky-Watcher Flextube 350P SynScan GoTo Collapsible Dobsonian Telescope
Sky-Watcher SKU: S11830 | Helix SKU: CTS11830
The exciting new Sky-Watcher Dobsonian SynScan series is precision engineered instrument that will allow you to easily find and enjoy viewing night sky treasures, such as Planets, Nebulae, Star Clusters, Galaxies and much more. With its patented collapsible tube design, these Dobsonians are truly the ultimate in portability and performance.
The elegant truss tube design was carefully engineered to combine ease of use, extreme portability and consistent performance in an affordable package. Unlike other truss tube designs, the SkyWatcher Flextube Dobsonian does not need to be disassembled between uses. It transports as two compact pieces that can be assembled and ready to use in just seconds! It is easy to collimate once set up, and it holds its collimation throughout the evening! The patented Tension Control Handle allows users to add or reduce tension, thereby increasing or decreasing the friction between the optical tube and the sideboards. The SynScan™ AZ hand control allows you point your telescope at a specific object, or even tour the night sky at the touch of a button!! The user-friendly menu system allows automatic slewing to over 42,900 objects. Even an inexperienced astronomer can master its variety of features in a few observing sessions. The patented dual encoder design allows the telescope to be moved manually whenever the user wishes - but with no need for re-alignment! The Sky-Watcher Dobsonian SynScan series combines the convenience and affordability of the traditional Dobsonian with the convenience of a computerized Go-To telescope.
SynScan™ AZ hand control SPECIFICATIONS:
- Built-in WiFi control
- Power Supply: 10 to 15 V DC 1Amp, 2.1mm Plug (Center positive)
- Motor type: DC Servo Motors,
- Resolution: Motor encoder: 1,620,000 counts per revolution, Main axis encoder: 11,748 counts per revolution
- Slew speeds: 1.0X, 2.0X, 8X, 16X, 32X, 200X, 400X, 600X, 800X, 1000X
- Tracking Rates: Sidereal, Lunar, Solar
- Tracking Mode: Dual Axes Tracking
- Alignment Method: Brightest-Star Alignment, Two-Star Alignment
- Database: 25 user defined objects. Complete M, NGC and IC catalog, partial SAO catalogues, total 42,900 objects
- Go-To Pointing Accuracy: Up to 5 arc min
Specifications:
| SKU | S11830 |
| UPC | 050234118309 |
| Optical Info | |
|---|---|
| Optical Design | Newtonian |
| Mirror Coatings | 94% Aluminum |
| Glass Type | Borosilicate |
| Primary Aperture (mm) | 356 |
| F/Ratio | 4.6 |
| Focal Length (mm) | 1650 |
| Secondary Diameter | 83mm |
| Secondary Obstruction (by diameter) | 23% |
| Secondary Obstruction by Area | 5% |
| Observational Info | |
| Dawes Limit | 0.33 |
| Rayleigh Limit | 0.39 |
| Limiting Mag. | 15.2 |
| Minimum Magnification | 50 |
| Maximum Magnification | 701 |
| Light Gathering (compared to next size down) | 36% |
| General Info | |
| Focuser | 2" Dual Speed Crayford |
| OTA Length (Retract/Ext.) | 38.5"/60" |
| OTA Outer Diameter | 16.5625" |
| OTA Weight (with accessories) | 53 |
| Dob Base Weight | 94 |
| Dob Base Measurements | 36"x31" |
| Zenith Eyepiece Height | 64" |
| Accessories | |
| Included Finder | 9x50 Finder |
| Included Diagonal | No |
| Included Eyepieces | 25/10 Plossl |
| Magnification w/ Included Eyepieces | 66x/165x |
| Included Case | No |
| Corrector | No |
Sky-Watcher Flextube 400P SynScan GoTo Collapsible Dobsonian Telescope
$ 4,680.00 - Sold Out
Sky-Watcher Flextube 400P SynScan GoTo Collapsible Dobsonian Telescope
Sky-Watcher SKU: S11840 | Helix SKU: CTS11840
The exciting new Sky-Watcher Dobsonian SynScan series is precision engineered instrument that will allow you to easily find and enjoy viewing night sky treasures, such as Planets, Nebulae, Star Clusters, Galaxies and much more. With its patented collapsible tube design, these Dobsonians are truly the ultimate in portability and performance.
The elegant truss tube design was carefully engineered to combine ease of use, extreme portability and consistent performance in an affordable package. Unlike other truss tube designs, the SkyWatcher Flextube Dobsonian does not need to be disassembled between uses. It transports as two compact pieces that can be assembled and ready to use in just seconds! It is easy to collimate once set up, and it holds its collimation throughout the evening! The patented Tension Control Handle allows users to add or reduce tension, thereby increasing or decreasing the friction between the optical tube and the sideboards. The SynScan™ AZ hand control allows you point your telescope at a specific object, or even tour the night sky at the touch of a button!! The user-friendly menu system allows automatic slewing to over 42,900 objects. Even an inexperienced astronomer can master its variety of features in a few observing sessions. The patented dual encoder design allows the telescope to be moved manually whenever the user wishes - but with no need for re-alignment! The Sky-Watcher Dobsonian SynScan series combines the convenience and affordability of the traditional Dobsonian with the convenience of a computerized Go-To telescope.
SynScan™ AZ hand control SPECIFICATIONS:
- Built-in WiFi control
- Power Supply: 10 to 15 V DC 1Amp, 2.1mm Plug (Center positive)
- Motor type: DC Servo Motors,
- Resolution: Motor encoder: 1,620,000 counts per revolution, Main axis encoder: 11,748 counts per revolution
- Slew speeds: 1.0X, 2.0X, 8X, 16X, 32X, 200X, 400X, 600X, 800X, 1000X
- Tracking Rates: Sidereal, Lunar, Solar
- Tracking Mode: Dual Axes Tracking
- Alignment Method: Brightest-Star Alignment, Two-Star Alignment
- Database: 25 user defined objects. Complete M, NGC and IC catalog, partial SAO catalogues, total 42,900 objects
- Go-To Pointing Accuracy: Up to 5 arc min
| SKU | S11840 |
| UPC | 050234118408 |
| Optical Info | |
|---|---|
| Optical Design | Newtonian |
| Mirror Coatings | 94% Aluminum |
| Glass Type | Borosilicate |
| Primary Aperture (mm) | 406 |
| F/Ratio | 4.4 |
| Focal Length (mm) | 1800 |
| Secondary Diameter | 102mm |
| Secondary Obstruction (by diameter) | 25% |
| Secondary Obstruction by Area | 6% |
| Observational Info | |
| Dawes Limit | 0.29 |
| Rayleigh Limit | 0.34 |
| Limiting Mag. | 15.5 |
| Minimum Magnification | 58 |
| Maximum Magnification | 799 |
| Light Gathering (compared to next size down) | 30% |
| General Info | |
| Focuser | 2" Dual Speed Crayford |
| OTA Length (Retract/Ext.) | 42.5"/66.5" |
| OTA Outer Diameter | 17.875" |
| OTA Weight (with accessories) | 72 |
| Dob Base Weight | 105 |
| Dob Base Measurements | 36"x34" |
| Zenith Eyepiece Height | 74" |
| Accessories | |
| Included Finder | 9x50 Finder |
| Included Diagonal | No |
| Included Eyepieces | 25/10 Plossl |
| Magnification w/ Included Eyepieces | 72x/180x |
| Included Case | No |
| Corrector | No |
Sky-Watcher Heritage 130 Table Top Dobsonian
$ 275.00 - Sold Out
Sky-Watcher Heritage 130 Table Top Dob
Sky-Watcher SKU: S11705 | Helix SKU: CTS11705
- International Year of Astronomy Edition
- 130mm Dobsonian Reflector OTA
- 650mm Focal Length, f/5 Focal Ratio
- Collapsible Design: Just 14.5" Closed
- Aluminized paraboloidal mirrors
- Tabletop Mount with Integrated Handle
- 1.25" Helical Focusing Mechanism
- 26x and 65x Power Eyepieces
- Red Dot Finder
Specifications:
| Optical Design | Dobsonian Reflector |
| Aperture | 130 mm / 5.1" |
| Focal Length | 650 mm |
| Focal Ratio | f/5 |
| Focuser | Single-Speed Helical |
| Eyepiece Barrel Diameter | 1.25" |
| Diagonal | None |
| Finderscope | Yes |
| Optical Tube Dimensions | Length: 14.5" / 36.8 cm Closed Length |
| Type | Manual; Alt-Azimuth |
| GoTo Capability | No |
| Batteries | None |
| GPS | No |
| Wi-Fi | No |
| Weight | 14.0 lb / 6.4 kg |
| Package Weight | 19.2 lb |
| Box Dimensions (LxWxH) | 21.3 x 15.8 x 15.6" |
Sky-Watcher Stargate 450P SynScan Truss-Tube GoTo Dobsonian Telescope
$ 6,999.00 - Sold Out
Sky-Watcher Stargate 450P SynScan Truss-Tube GoTo Dobsonian Telescope
Sky-Watcher SKU: S11920 | Helix SKU: CTS11920
Stargate's feature Sky-Watcher’s exclusive fused conical parabolic mirrors. The fused design allows for thinner mirror construction that provides faster cooling and lighter weight.
Combined with the cast cellular secondary mirror and Sky-Watcher’s exclusive 94% reflectivity coatings, Stargate delivers bright, detailed views of your favorite deep sky objects. The 18 inch model captures 27% more light than our 16 inch, while the 20 inch (a full half meter of aperture) boasts a monster 56% more light gathering power.
Solid foundations, easy assembly
The minimalist all-metal structure of the Stargate produces a sturdy and stable platform while maintaining a convenient and compact footprint. The truss-tubes break down to a very manageable 36 inch length for easy transport. Azimuth and altitude bearings are steel and Teflon for smooth, steady movement.
Setting up a Stargate is a simple procedure, taking only about 20 minutes. Spring loaded truss anchor points are clearly labeled to eliminate any frustration or confusion. Adjustable feet make leveling a snap.
Synscan puts the universe in your hands
Our GoTo line of Stargates provide motorized operation in both alt and azimuth axes. Featuring Sky-Watcher’s proprietary SynScan hand controller, your scope now automatically slews to and tracks over 42,900 celestial objects from the on-board database.
Sky-Watcher’s Freedom Find™ dual-encoder technology ensures accurate tracking while allowing you to move the telescope manually in either axis without compromising alignment. This provides a level of convenience and flexibility not available in telescopes without dual encoders.
Specifications:
| SKU | S11920 |
| Optical Info | |
|---|---|
| Optical Design | Newtonian |
| Mirror Coatings | 94% Aluminum |
| Glass Type | Borosilicate |
| Primary Aperture (mm) | 458 |
| F/Ratio | 4.14 |
| Focal Length (mm) | 1900 |
| Secondary Diameter | 120mm |
| Secondary Obstruction (by diameter) | 26% |
| Secondary Obstruction by Area | 7% |
| Observational Info | |
| Dawes Limit | 0.25 |
| Rayleigh Limit | 0.31 |
| Limiting Mag. | 15.9 |
| Minimum Magnification | 65 |
| Maximum Magnification | 902 |
| Light Gathering (compared to next size down) | 27% |
| General Info | |
| GoTo | Yes |
| Object Database | 42,900+ |
| Dual Encoders | Yes |
| Focuser | 2" Dual Speed Crayford |
| Zenith Eyepiece Height | 74.5" |
| OTA Length (Retract/Ext.) | 78.75" |
| OTA Outer Diameter | 20.5" |
| Dob Base Weight | 66 lbs |
| Upper Cage Weight | 11 lbs |
| Truss Pole Weight | 2.6 lbs each. 16 lbs total |
| Mirror Box Weight | 62 lbs |
| Full Assembled Weight (with weights) | 155 lbs |
| Accessories | |
| Included Finder | 9x50 Finder |
| Included Diagonal | No |
| Included Eyepieces | 28 LET/10mm/Coll. |
| Other Included Accessories | 2.3lbs counter weights (3), Shroud, Truss clamps |
Sky-Watcher Stargate 450P Truss-Tube Dobsonian Telescope
$ 5,999.00 - Sold Out
Sky-Watcher Stargate 450P Truss-Tube Dobsonian Telescope
Sky-Watcher SKU: S11900 | Helix SKU: CTS11900
Stargate's feature Sky-Watcher’s exclusive fused conical parabolic mirrors. The fused design allows for thinner mirror construction that provides faster cooling and lighter weight.
Combined with the cast cellular secondary mirror and Sky-Watcher’s exclusive 94% reflectivity coatings, Stargate delivers bright, detailed views of your favorite deep sky objects. The 18 inch model captures 27% more light than our 16 inch, while the 20 inch (a full half meter of aperture) boasts a monster 56% more light gathering power.
Solid foundations, easy assembly
The minimalist all-metal structure of the Stargate produces a sturdy and stable platform while maintaining a convenient and compact footprint. The truss-tubes break down to a very manageable 36 inch length for easy transport. Azimuth and altitude bearings are steel and Teflon for smooth, steady movement.
Setting up a Stargate is a simple procedure, taking only about 20 minutes. Spring loaded truss anchor points are clearly labeled to eliminate any frustration or confusion. Adjustable feet make leveling a snap.
- Fused conical primary mirror
- Cellular secondary mirror
- Dual speed 2” Crayford focuser
- Two section truss poles (compact transport)
- Minimalist, all metal construction
- Fast f/4.1 optics for short eyepiece heights
- 18” provides 27% more light than a 16” telescope
- 94% reflectivity coatings
Specifications:
| SKU | S11900 |
| UPC | 050234119009 |
| Optical Info | |
|---|---|
| Optical Design | Newtonian |
| Mirror Coatings | 94% Aluminum |
| Glass Type | Borosilicate |
| Primary Aperture (mm) | 458 |
| F/Ratio | 4.14 |
| Focal Length (mm) | 1900 |
| Secondary Diameter | 120mm |
| Secondary Obstruction (by diameter) | 26% |
| Secondary Obstruction by Area | 7% |
| Observational Info | |
| Dawes Limit | 0.25 |
| Rayleigh Limit | 0.31 |
| Limiting Mag. | 15.9 |
| Minimum Magnification | 65 |
| Maximum Magnification | 902 |
| Light Gathering (compared to next size down) | 27% |
| General Info | |
| Focuser | 2" Dual Speed Crayford |
| Zenith Eyepiece Height | 74.5" |
| OTA Length (Retract/Ext.) | 78.75" |
| OTA Outer Diameter | 20.5" |
| Dob Base Weight | 40 lbs |
| Upper Cage Weight | 11 lbs |
| Truss Pole Weight | 2.6 lbs each. 16 lbs total |
| Mirror Box Weight | 62 lbs |
| Full Assembled Weight (with weights) | 129 lbs |
| Accessories | |
| Included Finder | 9x50 Finder |
| Included Diagonal | No |
| Included Eyepieces | 28 LET/10mm/Coll. |
| Magnification w/ Included Eyepieces | 68x/190x |
| Included Case | No |
| Corrector | No |
| Other Included Accessories | 2.3lbs counter weights (3), Shroud, Truss clamps |
Sky-Watcher Stargate 500P SynScan Truss-Tube GoTo Dobsonian Telescope
$ 7,999.00 - Sold Out
Sky-Watcher Stargate 450P SynScan Truss-Tube GoTo Dobsonian Telescope
Sky-Watcher SKU: S11930 | Helix SKU: CTS11930
Stargate's feature Sky-Watcher’s exclusive fused conical parabolic mirrors. The fused design allows for thinner mirror construction that provides faster cooling and lighter weight.
Combined with the cast cellular secondary mirror and Sky-Watcher’s exclusive 94% reflectivity coatings, Stargate delivers bright, detailed views of your favorite deep sky objects. The 18 inch model captures 27% more light than our 16 inch, while the 20 inch (a full half meter of aperture) boasts a monster 56% more light gathering power.
Solid foundations, easy assembly
The minimalist all-metal structure of the Stargate produces a sturdy and stable platform while maintaining a convenient and compact footprint. The truss-tubes break down to a very manageable 36 inch length for easy transport. Azimuth and altitude bearings are steel and Teflon for smooth, steady movement.
Setting up a Stargate is a simple procedure, taking only about 20 minutes. Spring loaded truss anchor points are clearly labeled to eliminate any frustration or confusion. Adjustable feet make leveling a snap.
Synscan puts the universe in your hands
Our GoTo line of Stargates provide motorized operation in both alt and azimuth axes. Featuring Sky-Watcher’s proprietary SynScan hand controller, your scope now automatically slews to and tracks over 42,900 celestial objects from the on-board database.
Sky-Watcher’s Freedom Find™ dual-encoder technology ensures accurate tracking while allowing you to move the telescope manually in either axis without compromising alignment. This provides a level of convenience and flexibility not available in telescopes without dual encoders.
- Fused conical primary mirror
- Cellular secondary mirror
- Dual speed 2” Crayford focuser
- Two section truss poles (compact transport)
- Minimalist, all metal construction
- Fast f/3.95 optics for short eyepiece heights
- 20” provides 56% more light than a 16” telescope
- 94% reflectivity coatings
- Freedom Find, dual encoders
- SynScan with 42,000+ object database
Specifications:
| SKU | S11930 |
| Optical Info | |
|---|---|
| Optical Design | Newtonian |
| Mirror Coatings | 94% Aluminum |
| Glass Type | Borosilicate |
| Primary Aperture (mm) | 508 |
| F/Ratio | 3.93 |
| Focal Length (mm) | 2000 |
| Secondary Diameter | 134mm |
| Secondary Obstruction (by diameter) | 26% |
| Secondary Obstruction by Area | 7% |
| Observational Info | |
| Dawes Limit | 0.23 |
| Rayleigh Limit | 0.28 |
| Limiting Mag. | 16 |
| Minimum Magnification | 72 |
| Maximum Magnification | 1000 |
| Light Gathering (compared to next size down) | 23% |
| General Info | |
| GoTo | Yes |
| Object Database | 42,900+ |
| Dual Encoders | Yes |
| Focuser | 2" Dual Speed Crayford |
| Zenith Eyepiece Height | 79" |
| Dob Base Weight | 66 lbs |
| Upper Cage Weight | 12 lbs |
| Truss Pole Weight | 2.6 lbs each. 16 lbs total |
| Mirror Box Weight | 70 lbs |
| Full Assembled Weight (with weights) | 164 lbs |
| Accessories | |
| Included Finder | 9x50 Finder |
| Included Diagonal | No |
| Included Eyepieces | 28 LET/10mm/Coll. |
| Magnification w/ Included Eyepieces | 71x/200x |
| Included Case | No |
| Corrector | No |
| Other Included Accessories | 2.3lbs counter weights (3), Shroud, Truss clamps |
Sky-Watcher Stargate 500P Truss-Tube Dobsonian Telescope
$ 6,999.00 - Sold Out
Sky-Watcher Stargate 500P Truss-Tube Dobsonian Telescope
Sky-Watcher SKU: S11910 | Helix SKU: CTS11910
Stargate's feature Sky-Watcher’s exclusive fused conical parabolic mirrors. The fused design allows for thinner mirror construction that provides faster cooling and lighter weight.
Combined with the cast cellular secondary mirror and Sky-Watcher’s exclusive 94% reflectivity coatings, Stargate delivers bright, detailed views of your favorite deep sky objects. The 18 inch model captures 27% more light than our 16 inch, while the 20 inch (a full half meter of aperture) boasts a monster 56% more light gathering power.
Solid foundations, easy assembly
The minimalist all-metal structure of the Stargate produces a sturdy and stable platform while maintaining a convenient and compact footprint. The truss-tubes break down to a very manageable 36 inch length for easy transport. Azimuth and altitude bearings are steel and Teflon for smooth, steady movement.
Setting up a Stargate is a simple procedure, taking only about 20 minutes. Spring loaded truss anchor points are clearly labeled to eliminate any frustration or confusion. Adjustable feet make leveling a snap.
Specifications:
| SKU | S11910 |
| UPC | 050234119108 |
| Optical Info | |
|---|---|
| Optical Design | Newtonian |
| Mirror Coatings | 94% Aluminum |
| Glass Type | Borosilicate |
| Primary Aperture (mm) | 508 |
| F/Ratio | 3.93 |
| Focal Length (mm) | 2000 |
| Secondary Diameter | 134mm |
| Secondary Obstruction (by diameter) | 26% |
| Secondary Obstruction by Area | 7% |
| Observational Info | |
| Dawes Limit | 0.23 |
| Rayleigh Limit | 0.28 |
| Limiting Mag. | 16 |
| Minimum Magnification | 72 |
| Maximum Magnification | 1000 |
| Light Gathering (compared to next size down) | 23% |
| General Info | |
| Focuser | 2" Dual Speed Crayford |
| Zenith Eyepiece Height | 79" |
| Dob Base Weight | 40 lbs |
| Upper Cage Weight | 12 lbs |
| Truss Pole Weight | 2.6 lbs each. 16 lbs total |
| Mirror Box Weight | 70 lbs |
| Full Assembled Weight (with weights) | 138 lbs |
| Accessories | |
| Included Finder | 9x50 Finder |
| Included Diagonal | No |
| Included Eyepieces | 28 LET/10mm/Coll. |
| Magnification w/ Included Eyepieces | 71x/200x |
| Included Case | No |
| Corrector | No |
| Other Included Accessories | 2.3lbs counter weights (3), Shroud, Truss clamps |
