Overview

The Optomax 135mm f/2.8 is a cheap manual focus telephoto lens that delivers surprisingly good optical quality for its price. Users report sharpness and solid performance, with one noting it has 15-16 aperture blades (eddieitman). Build is typical of budget Japanese lenses. It suits photographers seeking an affordable 135mm f/2.8 manual lens, though information is scarce and variants exist.