| Optical Tube INFO: | |
| Optical Design | EdgeHD |
| Aperture | 279.4mm (11″) |
| Focal Length | 2800mm (110″) |
| Focal Ratio | f/10 |
| Focal Length of Eyepiece 1 | 23mm (0.91″) |
| Magnification of Eyepiece 1 | 122x |
| Finderscope | 9×50 |
| Star Diagonal | 2″ with 1.25″ adapter |
| Optical Tube | Aluminum |
| Highest Useful Magnification | 660x |
| Lowest Useful Magnification | 40x |
| Limiting Stellar Magnitude | 14 |
| Resolution (Rayleigh) | 0.5 arc seconds |
| Resolution (Dawes) | 0.42 arc seconds |
| Light Gathering Power (Compared to human eye) | 1593x |
| Secondary Mirror Obstruction | 95mm (3.75″) |
| Secondary Mirror Obstruction by Diameter | 34% |
| Secondary Mirror Obstruction by Area | 12% |
| Optical Coatings | StarBright XLT |
| Optical Tube Length | 610mm (24″) |
| Optical Tube Diameter | 312.42mm (12.3″) |
| Optical Tube Weight | 28 lbs (13 kg) |
| Dovetail | CGE Dovetail Bar |
Celestron, EDGEHD, OTA
EDGEHD 11 Optical Tube Assembly
₹432,909.00 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, 2” mirror diagonal for more comfortable viewing, and wide-angle 23 mm Luminos 2″ eyepiece are all included
Available on backorder
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