Lens Lab
    Sigma AF 8 mm f/ 4 EX Fisheye
    Sigma AF 8 mm f/ 4 EX Fisheye

    Sigma AF 8 mm f/ 4 EX Fisheye

    8mm · f/4

    Overview

    The Sigma AF 8mm f/4 EX Fisheye offers good image quality with well-controlled flare, though contrast can be flat and sharpness softens beyond f/11. Build is sturdy with metal and quality plastics. It is a specialized lens with a learning curve, suited for those wanting a circular fisheye effect on full-frame or a less circular effect on APS-C.