Lens Lab
    Sigma MF 28-70 mm f/ 3.5-4.5 MC Zoom-Epsilon
    Sigma MF 28-70 mm f/ 3.5-4.5 MC Zoom-Epsilon

    Sigma MF 28-70 mm f/ 3.5-4.5 MC Zoom-Epsilon

    28–70mm · f/3.5–4.5

    Overview

    The Sigma MF 28-70 mm f/3.5-4.5 MC Zoom-Epsilon is a compact, lightweight lens with a metal mount and smooth manual focus. Optically, it offers good center sharpness but soft corners, especially at wide apertures, and noticeable chromatic aberration. Build quality is decent for its era, but the lens is prone to flare and has a slow maximum aperture. It suits budget-conscious photographers who prioritize portability and manual control over edge-to-edge sharpness.