Features： An adapter ring for connecting camera and telescope, helping to shoot more clear and beautiful photo of the distance scenery. Replacement 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 other DSLR cameras. Compatible with telescopes with standard 1.25 inch eyepiece, perfect for astrophotography. Made from premium aluminum alloy with exquisite anodic oxidation and CNC technique, oxidation-proof and rust-resistant. With a red dot mark on the ring, easy to install, just point it with the white dot on the camera and then tighten it, the installation work is done. Specifications： Brand: Andoer Color: Black Material: Aluminum alloy Compatibility: Compatible with 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 other DSLR cameras, telescope with standard 1.25 inch eyepiece Product Size: 6 * 4.5 * 3cm/ 2.3 * 1.7 * 1.1inch Product Weight: 57g/ 2.01oz Package Size: 7.5 * 7.5 * 4.5cm/ 2.9 * 2.9 * 1.7inch Package Weight: 68g/ 2.3oz Note: Not suitable for using as replacement for Nikon Z mount cameras. Package List： 1 * Adapter Ring 1 * Telescope Adapter Tube