CANON EF 2509A010AA Wide angle lens

CANON EF 2509A010AA - Canon EF Autofocus Lenses Canon s reputation for excellence in optics has been well established for years. And with the introduction of EF lenses for the EOS, i (...) See more See less

t s only getting better. EF Lenses have the largest diameter mount of any 35mm camera, which not only strengthens the whole system, but permits optical innovations never before possible. L-Series lenses have better sharpness and contrast because Canon uses aspherical elements to eliminate spherical aberrations. In addition, the L-Series telephotos use UD (Ultra-low Dispersion) glass to reduce chromatic aberration resulting in more accurate colors. A built-in Ultrasonic focusing Motor (indicated by USM) provides pro-quality AF speed with split-second accuracy. Ultra-wide-angle lens for serious applications. Easy to hold and carry at 14.3 oz. (405g). Floating rear focusing system. Sharp images are obtained at all subject distances. Item Specifications: Product Description: Canon EF wide-angle lens - 20 mm Lens System: Wide-angle lens Mounting Type: Canon EF Lens Aperture: F/2.8 Focal Length: 20 mm Min Focus Range: 9.8 in Focus Adjustment: Automatic, manual Lens Construction: 9 group(s) / 11 element(s) Special Functions: Wide angle Filter Size: 72 mm Length: 3 in Weight: 14.3 oz (Description excerpted from: Amazon MarketPlace)