Lens Lab
    Pentax smc DA 21mm F3.2 AL Limited
    Pentax smc DA 21mm F3.2 AL Limited

    Pentax smc DA 21mm F3.2 AL Limited

    21mm · f/3.2

    Overview

    The Pentax smc DA 21mm F3.2 AL Limited is a compact pancake lens for APS-C Pentax DSLRs, offering a 32mm equivalent field of view ideal for street photography. Optically, it delivers excellent center sharpness from f/3.2, peaking around f/5.6-8, with well-controlled chromatic aberration. Weaknesses include soft edges wide open and noticeable vignetting below f/5.6. Build quality is high with all-metal construction and smooth focusing. It suits photographers prioritizing portability and image quality in a compact package.