An ultra-bright standard lens for fast, accurate shooting by available light. For quick candid shots that capture the decisive moment, this lens provides superb clarity and visual accuracy even with fully open aperture when working indoors or in low-light and twilight conditions. Mounted on the Sony DSLR-A100 camera, this lens provides midrange telephoto 75mm focal length (35mm equivalent) and takes advantage of the in-camera Super SteadyShot(R) image stabilization system to minimize blur from shaky hands.Focal Length 35mm Equivalent -50 mmMin Focus Distance -1 feet 6 inches (45 cm)Aperture Maximum -f1.4Aperture Minimum -f22Maximum Magnification -0.15xLens Construction -7 elements in 6 groups with 7 aperture bladesFilter Diameter -55 mmDimensions -2 9/16 x 1 11/16 inch (65.5 x 43 mm)Weight -7 3/4 ounces (220 grams)