As a T adapter, it allows attachment of DSLR camera to the prime focus and astronomical photography to your telescope.
Accept 1.25inch filters. Just remove the optical glass part and add the filter on if need.
Works on telescopes which uses 1.25 inch accessories.
The body is full black metal constructed and precisely CNC-machined. Includes both end caps to protect against dust. This Barlow comes with a steel screw to securely hold your eyepieces Works great for the price.