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About the item:(The sample image is the Pro version)

【 Function】You can mount Canon EF EF-S mount lens to Sony NEX E-mount mirrorless cameras; Canon STM series lenses don't work with our EOS adapters.
【 Material】All-metal design; hardened anodized aluminum construction,matting varnish inside to avoid light reflection;
【 MANUAL ADAPTER 】This is Manual adapters without electronic contacts, which therefore don't support auto-focus or aperture control. You need to manually adjust focus and exposure settings; infinity focus allowed.
【 Cameras Compatibility】Compatible for Sony Alpha E-mount Cameras: Sony Alpha α7, α7R, α7S, α7 II, α7R II, α7S II Sony Alpha α3000, α5000, α6000, α6300, α6500,α3500, α5100, αQX1, PXW-FS7 Sony NEX-3, NEX-5, NEX-C3, NEX-5N, NEX-7, NEX-F3, NEX-5R, NEX-5T ,NEX-6, NEX-F3, NEX-3N Sony NEX-VG10, NEX-VG20, NEX-VG30, NEX-VG900, NEX-FS100, NEX-FS700, NEX-EA50 etc
【 Verify Your Lens and Camera Mount】You can find your lens/camera mount in the len's/ camera's original user manual. Or find your lens/camera on the manufacturers' website and under the product specifications look for “mount type” before order; If you want to change the aperture, you have to remove the ring and make an aperture adjustment in camera. If you don't change it, it always defaults to working at maximum aperture.

Product Description

Canon STM series lenses don't work with our EOS adapters.
STM lens (such as EF 50mm f/1.8 STM, EF 18-135 IS STM) requires to be powered to drive the motor to focus, so cannot achieve focus with manual adapters.
Manual adapters have no electronic contacts, which therefore don't support auto-focus or aperture control. K&F Concept lens mount adapters are all manual ones.
Please figure out the mount of your camera and lens in case of buying the wrong adapter.

1X EF-E Lens Mount adapter ring

This adapter gives you the ability to use your irreplaceable prime lens and saves you the cost of purchasing new lenses
The adapters are precision made to insure the perfect fit.
Allows focus infinity.
Diaphragm control of the lens is set manually.
High quality and compact.
Made of brass and aluminum (not plastic).
Color: Black 100% Brand New

Not applicable to Canon lenses of the "STM" series such as (EF 50mm f/1.8 STM/EF 18-135 IS STM,EF 40/2.8 STM etc.)

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.
Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other functions will not operate while using this adapter.There is no electrical contacts in the adapter ring. Full manual operation,manual focus, manual iris adjustment can be achieved with body manual exposure,aperture priority exposure.In this case "stop-down mode" will need to be used when metering since the lens does not have the ability to have its aperture controlled by the camera body.You can shoot in Manual or Aperture Priority Mode. Before use, set your camera Menu: "Shoot without lens".