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

    SMC Pentax-A 50 mm f/ 2

    50mm · f/2

    Overview

    The SMC Pentax-A 50mm f/2 is a compact, lightweight manual-focus lens with solid build quality, available in metal or plastic barrel versions. Optically, it is sharp when stopped down to f/2.8 or beyond, with great color rendition and excellent contrast. Its main weakness is struggling in low light due to the smaller f/2 aperture. It suits budget-conscious photographers, especially for street photography, given its small size and low cost—often under $30.