The smc PENTAX-DA 200mm F2.8ED(IF) SDM is a uni-focal telephoto lens with a focal length equivalent to 307mm in the 35mm format.
With a maximum aperture of F2.8, the smc PENTAX-DA 200mm F2.8ED(IF) SDM is ideal for indoor sports events and stage performances requiring fast shutter speeds to freeze action, and for portraits against a smooth, beautiful out-of-focus background. It also features ED (extra-low dispersion).