VITE Metal Telescope Camera Adapter Digital Camera mount for Microscope Binocular Spotting Scope Monocular Microscope Use for connecting telescope and camera;capture nice pictures or video easily by camera;use on also binocular spotting scope monocular microscope Especially for small and light cameras;suit for small volume of the domestic digital camera well Fit for multiple telescopes;fixed eyepiece diameter is 30mm to 40mm;if only the diameter within this range;you can use it Height and longitudinal length adjustable;ensure the screw and lens of your camera in one line;height;0 to 110mm;longitudinal length;0 to 100mm Lifetime warranty;we confidently promise lifetime warranty for each one from us