Commlite EF Lens to EOS M Camera Adapter with Electronic Iris, AF and 0.71x Speed Booster

Commlite electronic lens mount adapter CM-EF-EOSM Booster can change the EF Mount lens over the EOSM Mount cameras and meanwhile can achieve functions as: USB Firmware Upgrading; 0.71x Focal Reducer Booster; EXIF Info. Transmitting; Support Auto Focus Function; Electronic Aperture Control etc. which satisfy all the photography or video users who need this super combination. Before usage of the adapter, please ensure the adapter is compatible with your camera and lens.

Note:

Continuous autofocus (AF-C) function is not available in video mode.

Increase the Aperture
Commlite CM-EF-EOSM Booster can increasing one gear of aperture to blur the background and better highlight the theme. Support electronic Aperture Control, you can adjust aperture of EF Lens by control camera body.

0.71x Focal Reduce Focus Length
The adapter built-in optical correction group, when using the adapter, the focus of the lens should be multiplied by 0.71, then multiplied by 1.5(the focus multiplier), is the lens' actually equivalent focus.

Support Auto Focus Function
Commlite CM-EF-EOSM Booster lens adapter come with steady, fast and smooth auto focus, which can capture the fleeting beautiful moments.

EXIF Signal Transmitting
Metal PIN can realize EXIF info. Transmission; and metal electronic contacts, greatly enhance its conductivity, to effectively transport EXIF info.