Description: Brand New 2 inch to M42*0.75 adapter for telescope. This adapter is mainly used for direct focus photography with SLR cameras, particularly suitable for Newton reflected telescope. Do not take a light path?do not occupation the optical path. One size of the adapter connect to digital camera or other T2 accessories, the other size insert to 2" telescope focuser or other accessories. At the end of the adapter is threaded to accept standard 2" filter. Specification: Tube length: 38mm Tube Caliber: 50.8mm Female Thread: M48*0.75 Male Thread: M50*0.75 The Female Thread at the Rear End to Fit Filters Color: Black Material:Plastic Package Includes: 1 Piece 2" Telescope Eyepiece Mount Adapter