Lens Lab
    KO-140М 140 mm f/ 1.8
    KO-140М 140 mm f/ 1.8

    KO-140М 140 mm f/ 1.8

    140mm · f/1.8

    Overview

    The KO-140М 140mm f/1.8 is a Soviet-era projector lens, originally designed for CRT/X-ray mass TB screening by Charles G. Wynne. It is multicoated and built in a black metal casing by BelOMO. On the MFlenses forum, users share portrait samples with autumn colors, but no explicit optical or handling critiques are given. The lens suits those seeking a fast, vintage projector lens for creative portrait work, though its performance wide open and handling are not detailed in the excerpts.