Pentax, well established name in lens manufacturing has recently launched its new lens named as PENTAX-DA 50-135mm F2.8 ED [IF] SDM. This is a 2.7X zoom lens and covers angles of view almost from 76.5mm to 207mm. This lens from Pentax is considered perfect for the depiction of beclouded, out-of-focus backgrounds and also specially for sports photography freezing split-second action for the reason that it has a large maximum aperture of F2.8. This telephoto zoom lens DA 50-135mm has put together three extra-low dispersion essentials to successfully reduce the chromatic aberrations which otherwise harm image-forming presentation. Furthermore, Ghostless covering on the telephoto zoom lens successfully minimizes interior reflections in the visual elements. The smc PENTAX-DA 50-135mm F2.8 ED [IF] SDM lens would be available to users at a costing of $999.95 but about the availability the company has not revealed any information yet.