12 inch telescope eyepiece extension tube, 2 inch to T adapter, M42*0.75 thread, camera mounting adapter. 2All metal construction, anodic aluminium oxide process, durable and long service life. 3Using brass compression ring to firmly secure eyepiece or accessory to reduce scratches. 4After the adapter can help record the astronomical telescope picture. 5Suitable for Nikon/Canon/Sony/Fujifilm/Olympus/Samsung mirrorless camera.Condition: 100% Brand New Item Type: Telescope Adapter Material: Aluminium Alloy Color: As Picture Shown Options: N1,EOSM, NEX, FX,M4/3, NX Screw Thread: M42*0.75 Fitment: forNikon/Canon/Sony/Fujifilm/Olympus/Samsung Mirrorless Camera Weight: Approx. 245g Size: Approx. 2 Inch1 x 2 Inch Telescope Extension Tube(Contain 2 Inch to T Adapter)1 x Camera Adapter