High performance L-series ultra-wide-angle zoom lens with constant f/2.8 maximum aperture.

EF16-35mm f/2.8L III USM

All-new optical design for significant improvements in outer and corner sharpness.

Subwavelength Coating (SWC) and Air Sphere Coating (ASC) help to significantly reduce

flare and ghosting.

Highly resistant to dust and water intrusion, enabling shooting even in harsh conditions*.

Circular aperture (9 blades) helps deliver beautiful, soft backgrounds.

Inner focusing ring USM, a high-speed CPU and optimized AF algorithms for fast

and accurate autofocusing.

Full-time manual focus allows manual focus adjustment while in AF Mode.

Fluorine coating on front and rear lens surfaces helps reduce smears and fingerprints.

Full weather-resistance for front section of lens requires attaching optical

Canon PROTECT filter