EF mount; wide-angle lens; Inner focusing; floating system; aspherical lens; full-time manual focus; 35mm focal length; f/1.4 maximum aperture; Ring-type UltraSonic Motor (USM);

17-40mm ultra-wide-angle zoom lens with f/4 maximum aperture for Canon SLR cameras; 3 aspherical lens elements and super UD glass element create superior optics in all conditions; Powerful ring-type ultra-sonic monitor (USM) produces fast and silent autofocusing; Focuses as close as 11 inches; supports screw-in 77mm filters or up to 3 gel filters; Weather-resistant construction; measures 3.3 inches in diameter; 1-year warranty;

28mm wide-angle lens with f/2.8 maximum aperture for Sony Alpha digital SLR cameras; Produces sharp, high-contrast images when shooting group, landscapes, or urban scenes; Wide-angle optics and deep depth of field; 5 lens groups and 5 elements; Built-in sliding lens hood protects optics; compact size is ideal for traveling; Measures 2.56 inches in diameter and 1.56 inches long; weighs 7 ounces;

Ultra wide angle zoom lens offers 122 degree view along the diagonal axis; 12-24mm focal length; f4.5-5.6 maximum aperture; Super Multi Coating reduces flare and ghosting; Hyper Sonic Motor;

Screws in front of lens; Delivers a 70% wider field of view; Excellent for landscape and other scenic images;

EF mount; wide-angle lens; Inner focusing; floating system; 24mm focal length; f/2.8 maximum aperture; Overall linear extension system with Autofocus drive;

Canon EOS mount; standard zoom lens; Aspherical lens and internal focusing; 24 to 60 mm focal length; f/2.8 maximum aperture; 5.8x magnification;

28mm wide-angle lens with f/1.8 maximum aperture for Canon SLR cameras; Broadens angle of view and increases depth of field to bring more area into focus; High-precision aspherical lens minimizes distortion and other aberrations; 1-foot close focusing distance; light enough to function as standard wide angle lens; Measures 2.7 inches in diameter and 1.7 inches long; weighs 6.5 ounces;

LD glass for superb image quality; Di technology meets digital SLR performance characteristics; Angle of view - 104 to 63 degrees; Includes front and rear lens cap and a lens case; Maximum magnification - 1 - 9.6;

Nikon SLR mount; standard zoom lens; Aspherical lens and internal focusing; 24 to 60 mm focal length; f/2.8 maximum aperture; 5.8x magnification;

EF mount; wide-angle lens; Compact and lightweight; 35mm focal length; f/2 maximum aperture; Overall linear extension system with Autofocus drive;

smc DA 16-50mm F2.8 ED/AL (IF) Lens, Lens Cap, Rear Lens Cap B (31006), Lens Hood, Lens Soft Case; High performance, wide angle zoom lens; SDM system creates smoother, quieter auto focus; Weather resistant and dust resistant body; Quick-shift Focus System for instant switching from auto focus to manual;

LD glass for superb image quality; Di technology meets digital SLR performance characteristics; Includes front and rear lens cap and a lens case; Fast maximum aperture of f/2.8 at the wide angle end; Maximum magnification - 1 - 9.6;

16-35mm ultra-wide-angle zoom lens with f/2.8 maximum aperture; 3 high-precision aspherical lens elements produce superior image quality; Circular aperture produces natural background blur at wider apertures; Ring-type USM for fast and quiet autofocusing; internal focusing; Measures 3.5 inches in diameter and 4.4 inches long; 1-year warranty;

Sigma EX lens with 17-35mm zoom; Incorporates aspherical lens elements in the front, as well as rear lens groups; Equipped with a silent, responsive and fast Micro Hyper Sonic Motor (HSM); Incorporates internal focusing to prevent deterioration of the optical quality at close distances; Use with Canon SLRs that are compatible with AF lenses;

Ultra wide angle zoom lens offers 122 degree view along the diagonal axis; 12-24mm focal length; f4.5-5.6 maximum aperture; Super Multi Coating reduces flare and ghosting; Internal focus ring;

Requires OLYMPUS CLA7 Lens Adapter (sold separately);

17mm Ultra-Wide-Angle to 35mm wide-angle zoom lens for Minolta AF cameras; 11.5x total magnification; Focuses as close as 19.7 inches at all focal lengths and as far as infinity; Aspherical lenses maximize optical performance in a smaller and lighter design; Perfect hood reduces light glare;

20mm f2.8 wide-angle lens; Visual accuracy from 10 inches to infinity; Coated optics for clarity and definition; Rear focusing system for fast autofocus response; Circular aperture for defocused effects;

EF mount; wide-angle lens; Floating system; inner focusing; full-time manual focus; 20mm focal length; f/2.8 maximum aperture; Ring-type UltraSonic Motor (USM);