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Description
Celestron CG-5 Overview
Celestron combined their smallest EdgeHD optical tube with a light, but steady, mount and tripod to give you a complete observation platform you can easily take to remote locations: the EdgeHD CGE 8" f/10 Aplanatic Schmidt-Cassegrain GoTo EQ Telescope. Included in this kit are the 8" EdgeHD optical tube, with a 90° diagonal and 40mm eyepiece, and the Advanced VX motorized equatorial mount, with a NextStar hand controller that has a database of over 40,000 objects and Sky Tour mode as well as a solid 2" stainless steel tripod.
Celestron EdgeHD CGE 8" f/10 Aplanatic Schmidt-Cassegrain Telescope (OTA Only)
Engineered to deliver sharp and clear distortion-free views, the Celestron EdgeHD CGE 8" f/10 Aplanatic Schmidt-Cassegrain Telescope is an ideal choice for observation, astrophotography, and imaging objects within or beyond our solar system. It features an aplanatic Schmidt-Cassegrain optical system consisting of a corrector plate, a spherical primary mirror, and a secondary mirror along with a set of field-flattening lenses integrated into the baffle tube. Complementing the EdgeHD system is the proprietary StarBright XLT optical coating system, which improves light transmission and reflectivity across the entire visual spectrum. The combination of EdgeHD and StarBright XLT produces bright and clear high-resolution images with true color rendition across the entire field of view without distortion, aberrations, or off-axis comas.
Optimized for imaging, the internal focusing system features mirror support clutches to ensure proper alignment and mirror locks to avoid accidental defocusing during long-exposure astrophotography. The optical tube is outfitted with a standard 1.25" visual back to make it easier to find eyepieces, accessories, and imaging gear. For visual observations, a 1.25" star diagonal is included along with a 40mm Plössl eyepiece that yields 51x magnification. The EdgeHD 8" is offered here without a mount or tripod for users who already have a reliable support system and are looking to upgrade or add to their existing gear, but comes with a large CGE dovetail plate that is compatible with Losmandy-style saddles.
Optical Tube
- 8" (203.2mm) aperture
- f/10 focal ratio
- 2032mm effective focal length
- Aplanatic Schmidt-Cassegrain optical design
- EdgeHD field-flattener aplanatic design eliminates spherical aberration, field curvature, and off-axis star coma to improve resolution, sharpness, and clarity across the entire field of view, especially at the edges
- Diffraction-limited SCHOTT glass reduces internal light loss to improve color, clarity, and sharpness
- StarBright XLT optical coatings
- Flexible tension clutches hold the primary mirror in place to reduce image shift without putting any force or pressure on the mirror assembly, keeping subjects centered
- Internal mirror locks prevent accidental adjustment to focus�important during long-exposure astrophotography
- Integrated 95-micron mesh filter allows hot air to be released from behind the primary mirror without dust getting in, to prevent mirror distortion due to uneven surface temperatures
- Resolution: 0.69 arcsec (Rayleigh); 0.57 arcsec (Dawes)
- Secondary mirror obstruction: 2.7" (69mm); 34% by diameter; 11% 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
- OTA only; mount and tripod required for proper use
- Large CGE (Losmandy-style) dovetail plate
Included Accessories
- Standard Schmidt-Cassegrain telescope (SCT) threads
- 1.25" eyepiece/accessory holder
- Use for prime focus or projection astrophotography with optional adapters
Eyepiece:
- Plössl lens configuration
- 1.25"-diameter barrel
- Accepts most 1.25" eyepiece filters
- 40mm focal length yields 51x power
Diagonal:
- 90° angle puts head in comfortable viewing position
- Threaded for direct connection to OTA without the need for the visual back
- 1.25" eyepiece/accessory holder
- Star diagonal corrects image horizontally, but not vertically
Finderscope:
- Low 9x magnification preserves wide field of view to more easily find alignment or guide stars
- Large 50mm aperture helps to see dimmer objects and stars for easier star-hopping navigation
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
In the Box
- Celestron EdgeHD CGE 8" f/10 Aplanatic Schmidt-Cassegrain Telescope (OTA Only)
- 9x50 Finderscope
- 1.25" 90° Star Diagonal
- 1.25" 40mm Plössl Eyepiece
- 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
Celestron EdgeHD CGE 8" f/10 Aplanatic Schmidt-Cassegrain Telescope (OTA Only) Specs
| Optical Design | Aplanatic Schmidt-Cassegrain |
| Aperture | 8.0" / 203.2mm |
| Focal Length | 2032mm |
| Focal Ratio | f/10 |
| Eyepiece Barrel Diameter | 1.25" |
| Diagonal | 90° star 1.25" snout and eyepiece holder |
| Finderscope | 9x50 |
| Tripod | None |
| Mount Type | CGE dovetail plate Compatible with Losmandy-style saddles |
| Power Source | None |
| Optical Tube Length | 17.0" / 43.2 cm |
| Weight | 14.0 lb / 6.4 kg |
| Package Weight | 22 lb |
| Box Dimensions (LxWxH) | 26 x 16 x 14" |
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 CG-5 Reviews
Reading between the lines
The scope is everything that I expected. The manuals, not so much. The manual was written for earlier versions and there are some changes as well as simply missing information. If you are good at reading technical manuals between the lines, this should not be a problem. The Web is your friend!
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Bulk Discount
| Quantity | Price |
| 2 | ₹ 431547.9 |
| 3-5 | ₹ 427144.35 |
| 5-10 | ₹ 418337.25 |
| 10+ | ₹ 409530.15 |
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