Canon ZSG-C10 Zoom Grip for COMPACT-SERVO lenses Category_Photography Theory Focus drive is handled by

Focus drive is handled by a ring drive SSM (Super Sonic wave Motor) system that is capable of positioning the heavy focus group required by large aperture lenses with speed and precision

Pros who spend time behind a super-telephoto lens know a hard truth: when you need a teleconverter

An SDHC/SDXC memory card of Class 10 or higher is required

and will not provide full sensor coverage on full frame models

Your camera locks into the clip

Canon ZSG-C10 Zoom Grip for COMPACT-SERVO lenses Category_Photography Theory Focus drive is handled byThe Canon ZSG C10 provides a zoom rocket, start stop button, and One Shot AF button for Canon's COMPACT SERVO cinema lenses.