Features: Useful accessories allows you to attach for Nikon cameras to the 1.25inch eyepiece diameter telescope (Fits for Nikon D90, D80, D70, D60, D50, D40x, D40, D800, D700, D600, D300s, D300, D200, D100, D7000, D5200, D5100, D5000, D3200, D3100, D3000, D4, D3x, D3s, and All for Nikon SLR Cameras). To shoot the art feel images of sky will start with this right camera adapter, with T-ring, you can use M42 Lenses on for Nikon mount camera. Aluminum alloy made construction is durable for long time use, at the same time easy and smooth for you to use. This set contains a T-ring for Nikon cameras and a 1.25in to M42 T-mount, it is very easy to use. You can put on the camera and calibrate focal length to get a clear image. Hope you have a nice photographing. Specification: Condition: Brand New Material: Aluminum Alloy Color: Black T-ring Diameter: Approx. 4.5 cm / 1.8 in T-mount Diameter: Approx. 3 cm / 1.2 in Weight: Approx. 81 g Package List: 1 * T-ring for Nikon SLR DSLR 1 * 1.25in T-mount (Camera and M42 Mount are not included) . Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.