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

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

    18–250mm · f/3.5–6.3

    Overview

    The Sigma 18-250mm F3.5-6.3 DC OS HSM is a compact, lightweight superzoom for APS-C DSLRs, offering a versatile 13.9x range with optical stabilization and fast, quiet autofocus. Optical performance is best at wide-to-mid focal lengths, with good center sharpness from f/5.6 to f/8, but corners remain soft, especially at telephoto. Build quality is solid with a metal mount and smooth zoom action, though flare and chromatic aberration are noticeable. It suits travelers and casual shooters prioritizing convenience over ultimate image quality.