Lens Lab
    SMC Pentax-FA Zoom 28-105 mm f/ 3.2-4.5
    SMC Pentax-FA Zoom 28-105 mm f/ 3.2-4.5

    SMC Pentax-FA Zoom 28-105 mm f/ 3.2-4.5

    28–105mm · f/3.2–4.5

    Overview

    The SMC Pentax-FA Zoom 28-105 mm f/3.2-4.5 is a compact, lightweight standard zoom with good image quality, sharpness across focal lengths, and best performance at f/8-11. It features solid weather sealing with a rubber O-ring, but has a variable aperture and a continuous manual focus ring without stops. It suits photographers seeking a versatile walkabout lens for general use, including night and astrophotography, though those desiring a fixed aperture may need to adapt.