Variable extendable telescope camera adapter with a T2-Ring attaches to SLR and DSLR camera bodies. Fits all Nikon SLR / DSLR : D1, D2, D3, D3S, D3X, D35, D4, D40, D40X, D50, D60, D70, D80, D90, D100, D200, D300, D300S, D600, D700, D750, D800, D800E, D810, D3000, D3100, D3200, D5000, D5100, D5200, D7000, D7100, etc.(Tip: Mirrorless cameras are not suitable for use) | Easy-to-use,extendable camera adapter is designed to connect the camera body and telescope together,Eyepieces can be placed inside the extension tube of adapter to increase the detail and clarity of photography. | Essential accessory for anyone interested in astrophotography. It can be used for SLR camera prime focus photography and eyepiece projection photography. | Multiple shooting methods:The eyepiece can be fixed in the front cylinder to achieve a long focal length for small objects, such as photographing the moon crater. Using adapter without eyepieces is equivalent to using the focal length of a telescope,suitable for taking pictures of the entire moon, gas nebula, etc. | Extension tube can accommodate eyepieces up to 38mm (1.49 "). After connecting the eyepieces, the distance between the front and rear can be adjusted to zoom in or out to obtain a zoomable image. It is recommended to use eyepieces, which can be fixed in the barrel, so the camera can get higher quality images. If there is a problem with the use, please contact us by mail and we will solve your problem in time.(Choose: Full-Frame mirrorless camera adapter. Search its ASIN:B08LZ4LY7W)