Connect all those DSLR camera T-rings (with M42x0.75mm thread) to telescopes.
Built with metal material.
M42x0.75mm outer thread on one end and standard 1.25" (31.75mm) fitting on the other.
The length of the tube is Adjustable :34mm ( from 113mm to 147mm )
The inside of the adapter is fully threaded to minimize reflections
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