Get ideal results for fieldwork on wilderness and nature assignments with the SAL-500F80. To reduce blur, this lens takes advantage of Sony's Super SteadyShot image stabilization system.The world's only super telephoto reflex lens with auto-focus capability. Its reflex design gives this amazing super telephoto lens a short barrel and compact, lightweight design, ideal for field work on wilderness and nature assignments - and its auto-focus capability makes it unique among reflex lenses of this class. This lens provides a 750mm focal length (35mm equivalent) - and takes advantage of image stabilization system to reduce blur by compensating for shaky hands.