Lens Lab
    Sigma 18-250mm F3.5-6.3 DC Macro OS HSM
    Sigma 18-250mm F3.5-6.3 DC Macro OS HSM

    Sigma 18-250mm F3.5-6.3 DC Macro OS HSM

    18–250mm · f/3.5–6.3

    Overview

    The Sigma 18-250mm F3.5-6.3 DC Macro OS HSM is a compact, lightweight superzoom for APS-C DSLRs, offering a 13.8x range with macro capability (1:2.9 magnification). Optically, it delivers good sharpness at wide to mid focal lengths, especially at f/5.6-8, but corners soften at telephoto. Weaknesses include significant distortion (average 0.8% pincushion) and lateral CA at extremes. Build is solid with smooth zoom and effective stabilization, though flare susceptibility is noted. It suits travelers seeking a versatile all-in-one lens, but not for low-light action or full-frame cameras (photoreview).