Description
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.
Specifications
| Inside Diameter: | 3.15" (80mm) |
| Outside Diameter: | 4.95" (125.6mm) |
Overall Height: | 0.52" (13.2mm) |
| 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.
Compatibility
- 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.
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.
For all orders exceeding a value of 100USD shipping is offered for free.
Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.
Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.
