0.72x Focal Reducer Speed Booster Adapter with external aperture for Canon EOS EF lens to Micro 4/3 MFT - OM-D GH4

Roxsen Global

0.72x optical glass lens adapter for using Micro Four Thirds (m4/3) mount digital cameras with Canon EOS EF mount lenses. With external aperture blades, helps to control aperture size. (Electronic functions are disabled, cannot be used on EF-S lens.) Not suitable for several video M4/3 mount cameras. Please be aware of the rear part to prevent collision on camera body. Reduces focal length to 0.72, adjust the image size to near 1:1, so that the focal length of the image is close to 1.5x crop fac