#19838 - Celestron 11"/ 14" 3.29-inch Thread to OPTEC-4300 Adapter
The #19838 adapter converts the larger 3.29-inch rear cell thread on the back of Celestron's some 9.25', all 11" and 14" class SCT and EdgeHD OTA's to a male OPTEC-4300 dovetail standard. This adapter allows attachment of Optec's Gemini Focusing Rotator or TCF-Lynx3 Gen2 3-inch focuser.
|Inside Diameter:||3.15" (80mm)|
|Outside Diameter:||4.95" (125.6mm)|
|Clear Aperture:||3.15" (80mm)|
|Weight:||6.4 oz (180 g)|
|Back-Focus Usage:||-0.22" (-5.6mm)|
Note that most SCT back-focus distance measurements are made from the TOP of the threads. Thus, some adapters can have a negative back-focus consumption or usage when the focuser actually rests below the top of the OTA threads.
- Celestron Classic 11" and 14" SCT telescopes,
- Celestron EdgeHD 9.25" SCT telescope,
- Celestron C1100 EdgeHD 11" SCT telescope,
- Celestron C1400 EdgeHD 14" SCT telescope,
- Gemini Focusing Rotator,
- TCF-Lynx3 Gen2 Focuser,
- Any OPTEC-4300 receiver adapter.
- Variant: Default Title
- SKU: 19838
- Weight: 1.0 lb
- Package Dimensions :
- Product Type: Adapter
- Brand: Optec, Inc.
Optec's #19838 adapter converts the larger 3.29-inch rear cell thread on the back of Celestron's some 9.25', all 11" and 14" class SCT and EdgeHD OTA's to a male OPTEC-4300 dovetail standard.