Lens Lab
    Vivitar Series 1 28-90 mm f/ 2.8-3.5
    Vivitar Series 1 28-90 mm f/ 2.8-3.5

    Vivitar Series 1 28-90 mm f/ 2.8-3.5

    28–90mm · f/2.8–3.5

    Overview

    The Vivitar Series 1 28-90mm f/2.8-3.5 is praised as an optical gem with surprising sharpness wide open, pleasing bokeh, and well-controlled chromatic aberration despite common claims to the contrary. Its main weakness is pronounced vignetting at 28mm that persists even stopped down (Alsatian2017). Build is solid, but it is varifocal. It suits photographers wanting a high-performing walkabout zoom, especially on APS-C where vignetting is less problematic (Lloydy).