Lens Lab
    Tamron 70-300 F4.5-6.3 Di RXD III
    Tamron 70-300 F4.5-6.3 Di RXD III

    Tamron 70-300 F4.5-6.3 Di RXD III

    70–300mm · f/4.5–6.3

    Overview

    The Tamron 70-300mm F4.5-6.3 Di III RXD is a compact, lightweight telephoto zoom for Sony E and Nikon Z mounts, praised for portability and value. Optically, it delivers excellent center sharpness across the range, with edges improving when stopped down, but chromatic aberration and pincushion distortion are noticeable, especially at longer focal lengths. Build quality includes weather sealing, but it lacks optical stabilization and has minimal controls. It suits photographers needing an affordable, lightweight telephoto for outdoor use, though the variable aperture and lack of VR limit low-light performance.