Lens Lab
    Pentax smc DA* 55mm F1.4 SDM
    Pentax smc DA* 55mm F1.4 SDM

    Pentax smc DA* 55mm F1.4 SDM

    55mm · f/1.4

    Overview

    The Pentax smc DA* 55mm F1.4 SDM is a weather-sealed, professional-grade lens with excellent build quality. Optically, it delivers very good sharpness wide open, becoming superb by f/2.8, with peak performance at f/5.6. Chromatic aberration and distortion are well controlled. Weaknesses include a high price and slower autofocus compared to other SDM lenses. It suits Pentax APS-C DSLR users seeking a portrait-equivalent 82.5mm lens with fast aperture and robust handling.