eMagTech Lens Mount Adapter Ring AI EOS Compatible with Nikon F Canon EF Cameras Supports Manual Focus and Exposure No Glass Design

- Broad Compatibility: Compatible with Nikon F AI lenses and Compatible with Canon EOS EF cameras; enables manual focus and manual exposure with a firm mechanical fit. - Manual Operation: No glass design preserves original optics; no electronic contacts; supports infinity focus with many lenses; stop-down metering and focus assist where available. - Durable Build: Aluminum alloy and brass construction with precision machining; matte black interior helps reduce reflections; secure bayonet locks on both sides for stable attachment. - Creative Uses: Mount vintage optics for portraits, video, macro, and travel; extend focal options without replacing cameras; helpful for learners and enthusiasts in home studio or campus. - Easy To Use: Align marks, rotate to lock, then attach the lens; quick release via camera or lens buttons; compact size fits in pocket kits for field and on-location work.