Welcome to our store! This adapter is designed for Nikon AI/NI SLR cameras, allowing M48*0.75mm lenses to be mounted on Nikon camera bodies. M48mmx0.75 adapter for Nikon AI/NI SLR cameras for telescope eyepiece photography. With this adapter, you can adapt your M48 lens to a Nikon AI mount DSLR. The adapter has no electrical connection, and aperture & focusing must be set manually. Compatible with Nikon D40 D3000 D3100 D5000 D5100 D80 D90 D200 D300 D300S D7000 D3000 D60 etc. For Nikon AI: This adapter is designed for Nikon AI/NI SLR cameras, allowing M48*0.75mm lenses to be mounted on Nikon camera bodies. M48mmx0.75 adapter for Nikon AI/NI SLR cameras for telescope eyepiece photography. With this adapter, you can adapt your M48 lens to a Nikon AI mount DSLR. The adapter has no electrical connection, and aperture & focusing must be set manually. Compatible with Nikon D40 D3000 D3100 D5000 D5100 D80 D90 D200 D300 D300S D7000 D3000 D60 etc. Specification: Material: Aluminum Color: Shown as pictures Lens Screw Mount: T M48*0.75mm M48*0.75 Adapter: for Nikon AI Diameter: Approx. 60mm / 2.36inch Weight: 33 - 45g Package List: 1 * M48 Adapter 100% Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We will do our best to provide you with satisfactory customer service