47mm · f/4.5
The Bausch & Lomb Opt Co 48 mm f/4.5 Macro Tessar is a vintage lens praised for its sharpness and coverage, suiting large format and macro work. Optical strengths include excellent detail and speed (f/4.5). Weaknesses are not noted. Build is robust but lacks a shutter, requiring a bellows or camera with focal-plane shutter. It suits photographers seeking a classic Tessar look for landscapes or portraits on plate cameras.