3.3"-16tpi Celestron telescope to M65x1 helicoid adapter

• Front side - 3.3″-16tpi female thread;
• Rear side - M65x1 male thread
• Weight - 45 g

This adapter allows using focusing helicoids with M65x1 thread on Celestron telescopes with 3.3″ - 16tpi port thread.

Made of anodized aluminium.