Lens Lab
    Pentax smc DA 12-24mm F4.0 ED AL (IF)
    Pentax smc DA 12-24mm F4.0 ED AL (IF)

    Pentax smc DA 12-24mm F4.0 ED AL (IF)

    12–24mm · f/4

    Overview

    The Pentax DA 12-24mm f/4 offers solid optical performance with good sharpness in real-world images, though significant color fringing appears in test charts. Distortion is well-controlled, with barrel distortion at 12mm decreasing to near zero at 24mm. Build quality is fine, combining metal and plastic with smooth zoom and focus rings, but the AF mechanism is noisy and rotates the manual ring. It suits Pentax APS-C users needing a durable ultra-wide zoom, despite minor optical flaws and cosmetic quirks.