ENHANCED IMAGE QUALITY - Experience superior image clarity with our adapter's precision optical glass, maintaining your lens's performance on Canon EF/EF-S cameras. PRESERVE FOCAL LENGTH - This adapter allows you to retain your Canon FD lens's original focal length, ensuring consistent framing and perspective in your shots. MAXIMIZE APERTURE CONTROL - Maintain full aperture control with this adapter, giving you the creative freedom to adjust depth of field as needed for stunning results. DURABLE BUILD QUALITY - Crafted from hardened aluminum, this adapter ensures a secure and stable connection between your Canon FD lens and Canon EF/EF-S camera.