EF-Mount Lens / Full-Frame Format Aperture Range: f/2.8 to 22 Three Aspherical & Two UD Elements Subwavelength & Air Sphere Coatings Ring-Type Ultrasonic Motor AF System Internal Focus; Full-Time MF Override Fluorine Coating on Exposed Elements Dust- and Water-Resistant Construction Rounded 9-Blade Diaphragm Canon EF Model Brand Canon Model EF Part 0573C002 Details Type Ultra Wide Angle Zoom Color Black Diameter 88.5 mm Focus Type AF with full-time manual Focal Length 16 – 35 mm Aperture Maximum: f/2.8 Minimum: f/22 Angle of View 108 degree 10′ Minimum Focus Distance 0.92 Feet Lens Construction 16 elements in 11 groups Filter thread (Diameter) 82 mm Specifications SpecificationsFocal Length & Maximum Aperture: 1635mm f/2.8Lens Construction: 16 elements in 11 groupsDiagonal Angle of View: 10810’63Focus Adjustment: AF with fulltime manualClosest Focusing Distance: 0.92 ft./0.28mFilter Size: 3.2 in. / 82mm diameterColor: Black DimensionsWidth: 5.0″Height: 3.5″Depth: 3.5″Weight: 1.75 lbs (790g) Features Features High performance L-series ultra-wide-angle zoom lens with constant f/2.8 maximum aperture. 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. Dimensions & Weight Dimensions 3.50″ x 3.50″ x 5.00″ Weight 1.74 lbs. Additional Information First Listed on Newegg June 14, 2022 Customer Reviews of the Canon EF
