Smooth surface for effortless mount, Made of copper.
This adapter allows you to use the Olympus lens to Nikon Z6 Z7 mount camera body.
Full manual operation, manual focus, infinity focus allowed.
Red dot identification, precise alignment, easy to install and disassemble.
If your camera indicated "lens is not properly installed", please modify the camera menu settings. Usually called the release the shutter the lens is not installed", you can modify the settings to allow. Specifically refer to the camera manual.

Allow Contax Yashica mount lenses used on Canon EOS Rebel camera body.
Compatible with Canon EOS Rebel camera includes: Canon 300D, 350D, 400D, 450D, 500D, 550D/T2i, 600D/T3i, 650D/T4i, 700D/T5i, 750D/T6i, 760D/T6s, 800D/T7i, 100D, 200D, 1000D, 1100D/T3, 1200D/T5, 1300D/ T6,Canon 77D, D30, D60, 10D, 20D, 20Da, 30D, 40D,
Made of brass and aluminum. Stable, precise and durable construction. Manually operated. Infinity focus allowed.
For heavy medium format lenses, we suggest to use with a telephoto bracket and a tripod to balance its weight when shoot.
Allows Contax Yashica C/Y Lens to fit on EF mount camera body.
There are no electrical contacts in this adapter ring,exposure and focus has to be adjusted manually.
Smooth surface for effortless mount, fine made to be light weight and strong.
Please note: Infinity focus position：the position of the infinity mark 【∞】of the telephoto lens or super telephoto lens is shifted slightly to the positive side to enable focus adjustment even when focus shift is caused due to temperature changes.The

Allow Canon FD lenses used on Canon EOS R mount camera body.
Compatible with Canon EOS R mount series mirrorless camera.
Made of brass and aluminum. Stable, precise and durable construction. Manually operated. Infinity focus allowed.
For heavy medium format lenses, we suggest to use with a telephoto bracket and a tripod to balance its weight when shoot.
Quality copper aluminum alloy precision manufacturing, ring with the camera bayonet close and smooth, the fine copper bayonet will not wear the lens, durable.
Lens interface with fine copper material, higher precision, easy to wear, durable.
Red dot mark, accurate alignment, convenient installation and disassembly.
Full manual control, manual focusing, aperture priority, infinity focus.
Please note: when using the adapter ring for the first time, please turn on the “release shutter w/o lens”option in the menu, otherwise the adapter lens will not be recognized.

Allow M39 lenses used on Canon EOS R mount camera body.
Compatible with Canon EOS R mount series mirrorless camera.
Made of brass and aluminum. Stable, precise and durable construction. Manually operated. Infinity focus allowed.
For heavy medium format lenses, we suggest to use with a telephoto bracket and a tripod to balance its weight when shoot.

Allow Olympus Zuiko mount lenses used on Sony E NEX/Alpha camera body.
Compatible with Sony E NEX/Alpha camera includes: Sony NEX-3, NEX-3C, NEX-3N, NEX-5, NEX-5C, NEX-5N, NEX-5R, NEX-5T, NEX-6, NEX-7, NEX-C3, NEX-F3, NEX-VG10, a7, a7R, a9, a3000, a3500, a5000, a5100, a6000, a6300, a6500, a7S, a7 II, a7S II, a7R II, a7R
Made of brass and aluminum. Stable,precise and durable construction.Manually operated.Infinity focus allowed.
For heavy medium format lenses, we suggest to use with a telephoto bracket and a tripod to balance its weight when shoot.