Vivitar VIV-35MM-C 35mm f/1.4 High Speed Aspherical Ultra Fast Wide Angle Lens for Canon Digital SLR Cameras Aperture range: F/1.4~22 Optical Construction: 12 elements in 10 groups Filter Size: 77mm Minimum Focusing Distance: 1 foot (0.3 meters) Includes removable lens hood, lens caps, lens pouch, instruction manual, and 1 year Vivitar warranty