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 visualaccuracy even with fully open aperture when working indoors or in low-light andtwilight conditions. Mounted on the Sony® a (alpha) DSLR-A100 camera, thislens provides midrange telephoto 75mm focal length (35mm equivalent) -- andtakes advantage of the in-camera Super SteadyShot® image stabilizationsystem to minimize blur from shaky hands.