![Optec 2" to 1¼” Standard Adapter for TCF Focuser](/uimages/optec/17662_b.jpg "Optec 2" to 1¼” Standard Adapter for TCF Focuser")
Optec 2" to 1¼” Standard Adapter for TCF Focuser
Starting Price: $55.00
Price as Configured: $55.00
Price as Configured: $55.00
Brand: Optec / SKU: OP-17662
The 2-inch to 1-1/4-inch Standard Adapter is Optec's original secure fit adapter for 1-1/4-inch eyepieces, camera nosepieces, and SSP instrument telescope adapters.
See #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)
Camera-side Compatibility:
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.
Need help deciding?
Tell us what you're looking for, and we’ll point you in the right direction. Email Us.
Tell us what you're looking for, and we’ll point you in the right direction. Email Us.
