Optec, Inc.

STL 2.156x24tpi thread to T-thread adapter. Female STL thread to male T-thread adapter.

T-thread to M65 Expansion Ring. Female M42x0.75mm to male M65x1mm adapter

T- to C-mount adapter, female T-thread to male C-mount adapter

STL knurled locking ring fits 2.156”x24tpi STL male thread.

T-thread to STL thread expansion ring. Female T-thread to male STL thread. Includes #19852 lock retaining collar.

T-thread to SCT thread expansion ring. Female T-thread to male SCT thread.

Nikon T2 Bayonet ring for T-thread.

Canon T-ring bayonet mount for T-thread. T-ring is 11mm thick and mates to Canon bayonet mount with 44mm flange focal-distance sensors to yield a universal 55mm back-focus distance.

  Optec Inc. 30mm T-thread Extension Ring: Essential for Precise Imaging Setup T-thread Compatibility: Specifically designed as a T-thread extension, suitable for cameras and accessories with T-thread connections. Optimal Length:...

  Optec Inc. 15mm T-Thread Extension Ring: Precision Spacing for Astrophotography T-Thread Compatibility: Designed to fit standard T-threaded connections, making it ideal for astrophotography setups. 15mm Extension: Provides an exact...

  Optec Inc. 7.5mm T-thread Extension Ring: Precision Spacing for Astrophotography Specific Design: A T-thread extension ring, expertly designed to provide 7.5mm of length extension. Astrophotography Integration: Ideal for achieving...

Optec Inc. Big Bubba HD Alt-Az Adjustable Base: Precision Alignment for Large Telescopes Advanced Alt-Azimuth Adjustment: Designed as a heavy-duty, Alt-Azimuth adjustable base, facilitating precise alignment of co-axial telescopes. Easy...