Lens Lab
    Pentax smc D FA 645 55mm F2.8 AL (IF) SDM AW
    Pentax smc D FA 645 55mm F2.8 AL (IF) SDM AW

    Pentax smc D FA 645 55mm F2.8 AL (IF) SDM AW

    55mm · f/2.8

    Overview

    The Pentax smc D FA 645 55mm F2.8 AL (IF) SDM AW is a standard lens for the Pentax 645 medium format system. Its optical strengths include sharpness and good contrast, though specific weaknesses are not mentioned in the excerpts. Build and handling are robust, with weather sealing (AW) and a silent SDM autofocus motor. It suits landscape and travel photographers who need a reliable, high-quality normal lens for medium format. The lens is often paired with the Pentax 645Z for outdoor photography.