Optec - 2-" to 1.25" adapter fits directly into the 2" TCF focuser.

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The  2-inch to 1-1/4-inch Standard Adapter is our original secure fit adapter for 1-1/4-inch eyepieces, camera nosepieces, and SSP instrument telescope adapters
SKU: 17662
Manufactured by:
Optec
 

Product Description

The  2-inch to 1-1/4-inch Standard Adapter is our original secure fit adapter for 1-1/4-inch eyepieces, camera nosepieces, and SSP instrument telescope adapters.


See the #17663 Precision Centering Adapter for a non-marring compression ring fitting for eyepieces and camera nosepieces.  However, for those desiring the additional safely of a dovetail groove, the #17662 is a better choice. 


With a heavy wall and single thumbscrew lock, the #17662 is both rugged and easy to use.  The bottom side flange features a machined brass registration screw to exactly match the notch on all TCF-S focusers.  This allows rotational alignment each time the #17662 is removed and re-inserted into the 2-inch drawtube.



  • Overall Outside Diameter:  2.38" (60mm)

  • Outside Diameter (main body):  1.995" (50.7mm)

  • Overall Height: 1.40" (35.5mm)

  • Clear Aperture: 1.25" (31.8mm)

  • Weight: 4.6 oz (135 g)

  • Back-focus Usage: 0.25" (6.4 mm)


Compatible with:



  • TCF-S or TCF-Si focuser,

  • TCF-S3 or TCF-S3i focuser with #17804 3-inch to 2-inch reducer,

  • Any manufacturer's 2-inch focuser or receiver.

Specifications

Name Optec - 2-" to 1.25" adapter fits directly into the 2" TCF focuser.
Manufacturer Optec
Model 17662

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