#19833 - OPTEC-4300 to 3-inch Receiver


In Stock: 28

#19833 - OPTEC-4300 to OPTEC-3000 Receiver

The OPTEC-4300 to 3-inch Receiver adapter allows the use of any OPTEC-3000 3-inch drawtube adapter to be used with the Gemini Focusing Rotator.  

Includes three oval-point setscrews and 5/64" hex key to secure OPTEC-3000 adapter.


Inside Diameter: 3.0" (76.2mm)
Outside Diameter: 4.75" (120.6mm)

Overall Height:

0.92" (23.4mm)
Clear Aperture: 3.0" (76.2mm)
Weight: 5.8 oz (165 g)
Back-Focus Usage: 0.1" (2.5mm)


  • Gemini Focusing Rotator.
  • Any OPTEC-4300 receiver adapter.
  • Any OPTEC-3000 adapter.

    The OPTEC-4300 to 3-inch Receiver allows use of any OPTEC-3000 adapter with the camera side of the Gemini Focusing Rotator. 

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