Optec-4300 to Celestron C11/C14 Adapter

Starting Price: $135.00
Price as Configured: $135.00
Brand: Optec / SKU: OP-19838
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

Compatible with:
  • 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.
QTY:  
Price as Configured: $135.00

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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.

Optec's #19838 adapter converts the larger 3.29-inch rear cell thread on the back of Celestron some 9.25', all 11" and 14" class SCT and EdgeHD OTAs to a male OPTEC-4300 dovetail standard.  

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)