Easily Attached Telescope Camera AdapterThe extension telescope camera adapter easily connects a camera body to your telescope with a T Ring. Put your telescope eyepiece inside the adapters extension tube to magnify for more details and clarity- suited for prime focus photography with DSLR cameras or eyepiece projection astrophotography (Note: the adapter doesnt fit mirrorless cameras) Variable Extension TubeThe variable extension tube features a telescopic design to increase the magnification (so as to change image size) and get the best shots. Compatible with 1.25 eyepiece of both reflector telescope and refractor telescope Different Ways to UseThere are two ways to mount the extension tube. One is to place your telescope eyepiece into the eyepiece holder of the tube- to achieve a long focal length and film small objects. The other is to mount the tube directly on a camera without an eyepiece and connect it to your telescope. By using the telescopes focal length- it is capable of filming the entire moon Quality Material and Sturdy BuildThe anodized aluminum build is robust and will withstand daily wear over a long period of use Package ContentsThe telescope accessory kit includes one extension tube for the telescope eyepiece (with 3 screws)- one 1.25" T adapter- and one T ring mount compatible with Nikon cameras. Note: Telescope eyepiece is NOT included Easily Attached Telescope Camera AdapterThe extension telescope camera adapter easily connects a camera body to your telescope with a T Ring. Put your telescope eyepiece inside the adapters extension tube to magnify for more details and clarity- suited for prime focus photography with DSLR cameras or eyepiece projection astrophotography (Note: the adapter doesnt fit mirrorless cameras) Variable Extension TubeThe variable extension tube features a telescopic design to increase the magnification (so as to change image size) and get the best shots. Compatible with 1.25 eyepiece of both reflector telescope and refractor telescope Different Ways to UseThere are two ways to mount the extension tube. One is to place your telescope eyepiece into the eyepiece holder of the tube- to achieve a long focal length and film small objects. The other is to mount the tube directly on a camera without an eyepiece and connect it to your telescope. By using the telescopes focal length- it is capable of filming the entire moon Quality Material and Sturdy BuildThe anodized aluminum build is robust and will withstand daily wear over a long period of use Package ContentsThe telescope accessory kit includes one extension tube for the telescope eyepiece (with 3 screws)- one 1.25" T adapter- and one T ring mount compatible with Nikon cameras. Note: Telescope eyepiece is NOT included