Item Type: Telescope Camera Adapter_x000D_ Material: Aluminum alloy_x000D_ Sleeve Thread: External, M42 x 0.75mm (commonly known as: T2 thread)_x000D_ Connection Thread: Internal, 2in 24 tooth inch thread (commonly known as: SCT thread)_x000D_ Compatible Models: For micro single EF M bayonet cameras 1Thread Size: M42x0.75mm thread is suitable for SCT interface astronomical telescopes,T2 adapter ring suitable for micro single EF?M bayonet cameras. 2Applicable Telescope Models: Telescope camera T mount is suitable for Celestron 5SE, 6SE, 8SE, C5, C8, C9.25, C11, C14 and other SCT interface main telescope. 3Multi Uses: Telescope camera T adapter set is used to connect camera to telescope, allows you to observe and take pictures of the entire moon, gas nebulae, or galaxies. 4High Strength Material: Telescope camera adapter is made of aluminum alloy material, durable, will not fade, do not hurt telescope thread. 5Easy to Install: Fine workmanship to ensure precise fit and firm connectionbetween camera and telescope, directly installed adapter ring, no adjustment.1 xTelescopeCameraSocket 2 x Adapter Ring 1 x Wrench