Celestron
Celestron C11 SCT OTA - CGE
- SKU:
- CEL-91036-XLT
- UPC:
- 50234103695
- MPN:
- 91036-XLT
- Condition:
- New
Description
Celestron C11 SCT OTA - CGE
The Schmidt Cassegrain Telescope(SCT) is a hybrid optical design termed catadioptric. The modern SCT is a popular telescope design due to it's compact size vs aperture. StarBright XLT coated optics housed in a lightweight aluminum tube round out this popular design.
Specs
| SKU: | CEL-91036-XLT |
| OpticalDesign: | Schmidt-Cassegrain(SCT) |
| Glass Elements: | |
| Aperture(mm): | 279.4 |
| Aperture(in): | 11.0 |
| FocalLength(mm): | 2800 |
| FocalRatio: | 10.0 |
| DawesLimit(arc seconds): | 0.42 |
| RayleighLimit(arc seconds):: | 0.49 |
| LimMagnitude: | 14.9 |
| Central Obstruction(mm/%): | 95/34 |
| Spot Size(um) | |
| Back Focus(mm): | |
| Wavelength Range(nm): | |
| LightGrasp(>human eye): | 1593 |
| Fastar(Hyperstar Available): | Y |
| ImageCircle(mm): | |
| Focuser: | Internal single speed focuser |
| Dovetail Bar: | CGE/Losmandy |
| Vented: | N |
| MirrorLock: | N |
| Dewshield: | Optional |
| Finderscope: | 9X50 Straight Inverted Image |
| Case: | Optional |
| Coatings: | StarBright XLT |
| Weight(lbs/kg): | 17.5/12.4 |
| MaxMagnification: | 550 |
| MinMagnification: | |
| Magnification w/Popular Focal Length Eyepieces | Exit Pupli(mm)/Magnification(x) |
| 40mm Focal Length: | 4mm, 70x |
| 32mm Focal Length: | 3.2mm, 90x |
| 25mm Focal Length: | 2.5mm, 110x |
| 18mm Focal Length: | 1.8mm, 160x |
| 13mm Focal Length: | 1.3mm, 220x |
| 10mm Focal Length: | 1mm, 280x |
| 8mm Focal Length: | 0.8mm, 350x |
| 5mm Focal Length: | 0.5mm, 560x |
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