Lens Lab
    SMC Pentax-M 50 mm f/ 2
    SMC Pentax-M 50 mm f/ 2

    SMC Pentax-M 50 mm f/ 2

    50mm · f/2

    Overview

    The SMC Pentax-M 50mm f/2 is a compact, budget-friendly manual-focus lens (1979-1985) with solid build, though later versions use plastic barrels. Optically, it delivers good sharpness and smooth bokeh when stopped down, but is soft and unsharp wide open, making f/2 largely unusable. It suits photographers seeking an inexpensive, small normal lens for street or casual use, especially when stopped down, but not those needing wide-open performance.