Designed to be front mounted on Canon's 16x zoom lenses, the IS-20B Image Stabilizer adds even more versatility to them. Incorporating patented Vari-Angle Prism technology, the IS-20B virtually eliminates shaking and vibration commonly associated with shooting on the run, from a car, or in high wind conditions. With the IS-20B, you continue to enjoy all the features of these popular lenses, including focal length and 2x extender, plus there is no additional f-stop loss.

Full range of master lens is usable, as well as the 2x built-in extender.

No additional loss of f-stop.

Auto lock mechanism automatically locks the Vari-angle prism when the IS-20B is removed from the lens.

High/low vibration character selector to select frequency range of vibration to be corrected.

Built-in front protection filter.

Panning switch for smooth finish of a pan with the stabilizer.

Stabilizer on/off switch.

Powered by optional external 12v 3ah battery with 4-pin XLR connector. Also has a battery power indicator.

Lightweight, only adds 3.5 lbs. to the lens.