EF Canon mount lens to Micro 4/3 M4/3 adapter with external aperture - Olympus E-M10 GX7 GF6 OM-D
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For using Micro Four Thirds (m4/3) mount mirrorless digital cameras with all Canon EOS EF mount lenses.
It is a solution of using Canon EF lenses to adjust aperture in other cameras with external aperture ring, cannot be used on EF-S series lenses.
Other electronic functions such as electronic focusing are disabled.
Switching on "Shoot without lens" may be needed on several Panasonic M4/3 cameras. Switching shooting mode to M (manual) is recommended.
Allows focus infinity.
Not suitable for Olympus Evolt series Four Thirds mount DSLR cameras.