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The Eagle Nebula from the Copernicus Observatory in SW Utah

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Adapters OPTEC and Miscl

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I have a large number of adapters I have used with OPTEC focusers that are now surplus to me.
I have also included some equipment specific adapters in the lot.
I am selling all the adapters with a retail value over one thousand to cover shipping and handling costs
to an astronomer who may have a need now or the future for these adapters.
All adpaters are in very good condition. OPTEC stock numbers are listed for reference.

19841 M117x1mm to OPTEC-4300 male dovetail mount

19833 Male OPTEC-4300 to 3-inch receiver for OPTEC-3000 drawtube adapters

19829 OPTEC-4300 extension adapter, 12.5mm length

19830 DSI 3.5 treaded receiver                                                              


17843 OPTEC 3-inch 2.156” x 24tpi male thread

17811 OPTEC 3-inch Drawtube Adapter, 3” to OPTEC-3600 Male Dovetail Mount

 19905 Optec-DSI 3.5x24tpi male thread to 2-inch receiver with brass compression ring

19804 OPTEC-3600 Dovetail Adapter M117x1mm thread to OPTEC 3600


FLI 2-7 FW to Optec 3 inch with 25mm length

Ricardi Reducer .75x M63 to QSI 2.156” with 12.5mm length

Ricardi Reducer .75x M63 spacer 8mm in length

Optec 3” to 120mm refractor (84mm)