M42-AI 42mm Screw Mount Lens to Nikon AI F Camera Lens Mount

Features:Aluminum alloy lens adapter for M42 lens to Nikon AI-mount cameras.No electronic contact don't support auto focus.Manual control manual focus manual exposure.Specifications:Package Size: 6 * 6 * 0.6cm / 2.4 * 2.4 * 0.2inchPackage Weight: 5g / 0.2ozPackage List:1 * Lens Mount Adapter