| Optical Tube INFO: | |
| Optical Design | EdgeHD |
| Aperture | 203.2mm (8″) |
| Focal Length | 2032mm (80″) |
| Focal Ratio | f/10 |
| Focal Length of Eyepiece 1 | 40mm (1.57″) |
| Magnification of Eyepiece 1 | 51x |
| Finderscope | 9×50 |
| Star Diagonal | 1.25″ Star Diagonal |
| Optical Tube | Aluminum |
| Highest Useful Magnification | 480x |
| Lowest Useful Magnification | 29x |
| Limiting Stellar Magnitude | 14 |
| Resolution (Rayleigh) | 0.69 arc seconds |
| Resolution (Dawes) | 0.57 arc seconds |
| Light Gathering Power (Compared to human eye) | 843x |
| Secondary Mirror Obstruction | 64mm (2.5″) |
| Secondary Mirror Obstruction by Diameter | 31% |
| Secondary Mirror Obstruction by Area | 9.77% |
| Optical Coatings | StarBright XLT |
| Optical Tube Length | 432mm (17″) |
| Optical Tube Diameter | 238mm (9.37″) |
| Optical Tube Weight | 14 lbs (6.35 kg) |
| Dovetail | CG-5 Dovetail bar |
Celestron, EDGEHD, OTA
EDGEHD 8 Optical Tube Assembly (CG5)
₹163,558.00 excl. 18% GST
- Experience our best Optical performance with EdgeHD’s aplanatic, flat field Schmidt-Cassegrain optics for pinpoint stars all the way to the edge of today’s largest imaging sensors and widest eyepieces
- Aluminum Optical Tube with Tube vents featuring an integrated 50-mesh filter allows hot air to be released from behind the primary mirror. Mirror support knobs hold the mirror in place and reduce image shift during imaging
- Versatile design accommodates 3 focal ratios: native f/10, f/7 with the addition of a focal reducer, or ultra-fast f/2 imaging with a removable secondary mirror and third-party accessories
- Celestron’s premium StarBright XLT coatings provide maximum light transmission
- A 9×50 finderscope, 1.25” mirror diagonal for more comfortable viewing, and 40 mm Plössl 1.25” eyepiece are all included
Available on backorder
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