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Description
Celestron C11-A XLT Overview
- 1Description
- 2Celestron C11-A XLT 11" f/10 Schmidt-Cassegrain Telescope (OTA Only, CGE Dovetail)
- 3Celestron Advanced VX GoTo German Equatorial Mount
- 4Celestron 12-Pound Counterweight for Advanced VX
Ideal for near and deep-sky observation and astrophotography, the Celestron Advanced VX 11" f/10 Schmidt-Cassegrain GoTo EQ Telescope balances power with portability in a complete observation rig. In addition to the optical tube, you get a motorized equatorial mount head outfitted with the NexStar computer hand controller and a solid stainless steel tripod.
Celestron C11-A XLT 11" f/10 Schmidt-Cassegrain Telescope (OTA Only, CGE Dovetail)
Outfitted with an over-sized aperture, long effective focal length, and their proprietary StarBright XLT optical coatings, the Celestron C11-A XLT 11" f/10 Schmidt-Cassegrain Telescope provides power and portability. The coating system consists of anti-reflection coatings on the corrector plate, highly reflective index mirror coatings, and low-absorption/high-transmission glass components to ensure that the maximum amount of light is gathered and transmitted to the user's eye. This system ensures bright and clear high-contrast images with accurate color rendition across the entire visual spectrum without visible distortion at the edges. Celestron includes a standard 1.25" visual back to accept eyepieces and accessories such as the 40mm eyepiece and 90° diagonal supplied with the optical tube assembly (OTA). This OTA is offered here without a mount or tripod for users who already have a support system�just ensure the mount's payload capacity exceeds 27.5 pounds to safely carry the weight and that the mount has a Losmandy-style saddle to match the OTA's CGE mounting plate.
Optical Tube
- 11" (279.4mm) aperture
- f/10 focal ratio
- 2800mm effective focal length
- Schmidt-Cassegrain design optical path
- StarBright XLT optical coatings
- Resolution: 0.5 arcsec (Rayleigh); 0.42 arcsec (Dawes)
- Secondary mirror obstruction: 3.75" (95 mm); 34% by diameter; 12% by area
StarBright XLT System
- Maximizes light transmission through optical path
- Improves color rendition, contrast, sharpness, resolution, and brightness
- Broadband system provides flat wavelength transmission across the entire visual spectrum
- Multi-layer mirror coatings with layers of aluminum, SiO2 (quartz), and TiO2 (titanium dioxide)
- Multi-layer anti-reflective corrector plate coatings with layers of MgF2 (magnesium fluoride) and HfO2 (hafnium dioxide); hafnium has a wider band-pass than the commonly used titanium
- High-transmission water white glass corrector plate limits light loss due to internal absorption
Mounting
- Optical tube only�mount and tripod required for proper use
- Supplied with CGE dovetail plate, which is compatible with Losmandy-style saddles
- Mount must have a payload capacity of over 27.5 pounds to safely support the OTA
Included Accessories
- Visual back:
- Standard threads for Schmidt-Cassegrain telescope optical tubes
- 1.25" holder accepts 1.25" eyepieces and accessories
- Eyepiece:
- 1.25"-diameter barrel
- Accepts most 1.25" astronomical filters
- 40mm focal length produces 70x magnification
- Diagonal:
- 1.25"-diameter barrel
- 90° angle places head in comfortable viewing position when scope is aimed at or near the zenith
- Star diagonal corrects view horizontally, but not vertically
- Finderscope:
- 9x magnification
- 50mm aperture
- Mounting bracket included
Celestron Advanced VX GoTo German Equatorial Mount
Engineered and optimized for astrophotography with mid-sized optical tube assemblies (OTAs), the Celestron Advanced VX GoTo German Equatorial Mount delivers the performance required for clear images through the use of dual-axis low-cog DC servo motors and backlash compensation. Added to this are encoders on the motors and Permanent Periodic Error Correction (PPEC), which help to improve positioning and tracking precision and ensure your target object stays centered for long-exposure photography techniques. Supporting the mount is a large 2" stainless steel tripod that has a wide stance for stability on most terrain and a center tray that holds 1.25" and 2" eyepieces and accessories and acts as a leg lock to further stabilize while helping to minimize vibrations.
The brain of the system is the NexStar+ computer controller, which is equipped with a database of over 40,000 objects, including the planets, stars, nebulae, galaxies, and the complete Messier catalog; it can also be programmed with up 100 custom user-defined objects with filters to create custom object lists. Its intuitive menu-driven user interface makes observing the heavens fast and easy; features such as guided tours, extended information on 200 popular objects, and multiple alignment options make the NexStar+ controller an invaluable tool to new users and experienced stargazers alike.
Advanced VX Mount
- 30-pound payload capacity
- Dual-axis low-cog DC servo motors
- Dual motor encoders improve tracking and location accuracy with reduced vibrations
- 7-77° latitude range
- Uninterrupted tracking below meridian to enable observation from a raised location such as a balcony or hilltop
- Integrated 12" counterweight bar with one 12-pound counterweight
- Vixen-style CG-5 dovetail saddle
NexStar+ Hand Controller
- 40,000+ object database
- 100 user-defined programmable celestial or terrestrial objects
- Enhanced information on over 200 objects
- Nine slew speeds: 4°/sec, 2°/sec, 1°/sec, 0.3°/sec, 32x, 16x, 8x, 4x, 2x
- Three tracking rates: Sidereal, Solar, Lunar
- Multiple alignment procedures: Two-star, One-star, Solar system, Quick-align, Last-align
- Sky Tour Mode: System seeks out the best objects for the date and time and automatically slews to them
- Identify Mode: Use to identify an unknown object in the field of view, or to find other celestial objects that are close to where the user is viewing
- Anti-backlash compensation: Trains out the intrinsic play between gears for more precise slewing and tracking
- Permanent Periodic Error Correction (PPEC): System learns its internal tracking errors and improves over time for more precise tracking, requiring fewer corrections
- Built-in instructions guide you through the alignment procedures
- 4-line, 18-character LCD display with a 19-button fiber-optic backlit LED keypad
- RS-232 comm port
- Supports English, French, Italian, German, and Spanish
- Database details:
- Solar system: Seven planets, Moon, Sun, and Pluto
- Custom lists of all the brightest stars, double stars, variable stars, and asterisms
- Custom lists of galaxies, nebulae, and clusters, as well as the complete Messier catalog and select NGC objects
Tripod
- Tubular stainless steel legs
- 2" leg diameter
- 44-64" height-adjustment range
- Center tray holds 1.25 and 2" eyepieces and locks legs in place for greater stability and vibration reduction
- Removable hand controller holder can be moved to avoid cord wrap during long observation sessions
- Weight: 18 pounds
Celestron 12-Pound Counterweight for Advanced VX
The 12 lb Counterweight for Advanced VX from Celestron helps to counterbalance the mass of a Schmidt-Cassegrain optical tube mounted on the Advanced VX equatorial mount. This telescope accessory is useful for off-setting the additional weight of imaging accessories like a camera or tele-converter.
In the Box
- Celestron C11-A XLT 11" f/10 Schmidt-Cassegrain Telescope (OTA Only, CGE Dovetail)
- 40mm Eyepiece
- 1.25" 90° Diagonal
- SCT Visual Back
- 9x50mm Finderscope
- Celestron Universal Mounting Plate, CGE
- Limited 2-Year Warranty
- Celestron Advanced VX GoTo German Equatorial Mount
- Stainless Steel Tripod with Tray
- Counterweight Bar
- 12 lb Counterweight
- Hand Controller Holder
- NexStar+ Hand Controller
- 12 VDC Car/Vehicle Power Cord
- Declination Motor Cable
- Limited 2-Year Warranty
- 2 x Celestron 12-Pound Counterweight for Advanced VX
- Two-Year Limited Warranty
- Description
- Celestron C11-A XLT 11" f/10 Schmidt-Cassegrain Telescope (OTA Only, CGE Dovetail)
- Celestron Advanced VX GoTo German Equatorial Mount
- Celestron 12-Pound Counterweight for Advanced VX
Celestron C11-A XLT 11" f/10 Schmidt-Cassegrain Telescope (OTA Only, CGE Dovetail) Specs
| Optical Design | Schmidt-Cassegrain |
| Aperture | 279mm |
| Focal Length | 2800mm |
| Focal Ratio | f/10 |
| Eyepiece Barrel Diameter | 1.25" |
| Diagonal | 90° star 1.25" barrel |
| Finderscope | 9x50 mm |
| Tripod | None |
| Mount Type | CGE dovetail plate |
| Power Source | None |
| Optical Tube Length | 24.0" / 61.0 cm |
| Weight | 27.5 lbs / 12.5 kg |
| Package Weight | 39.7 lb |
| Box Dimensions (LxWxH) | 31 x 20 x 19" |
Celestron Advanced VX GoTo German Equatorial Mount Specs
| Mount Type | German Equatorial |
| GoTo Capability | Yes, NexStar+ |
| Payload Capacity | 30 lb / 13.6 kg |
| Motor | Dual Axis |
| Tracking Rates | Lunar, Sidereal, Solar |
| Altitude Adjustment | 7 to 77° |
| Latitude Adjustment | 7 to 77° |
| Counterweight | 1 x 12.0 lb / 5.4 kg |
| Polar Axis Scope | None |
| Height Adjustment Range | 44 to 64" / 111.8 to 162.6 cm |
| Leg Diameter | 2" / 5.1 cm |
| Leg Sections | 2 |
| Power Source | Vehicle Adapter (Included) |
| DC Input Power | 12 VDC |
| Mounting | To Optical Tube Assembly: Vixen-Type Saddle |
| GPS | No |
| Wi-Fi | No |
| Materials | Steel (Tripod) |
| Dimensions | Not Specified by Manufacturer |
| Weight | 18 lb / 8.2 kg (Tripod) 17 lb / 7.7 kg (Mount) |
| Package Weight | 60.1 lb |
| Box Dimensions (LxWxH) | 38 x 26 x 12" |
Celestron 12-Pound Counterweight for Advanced VX Specs
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Bulk Discount
| Quantity | Price |
| 2 | ₹ 613504.5 |
| 3-5 | ₹ 607244.25 |
| 5-10 | ₹ 594723.75 |
| 10+ | ₹ 582203.25 |
Bulk discount will be automatically applied during checkout based on quantity.