Tag: biogon 21/2.8

The M Files 12: Biogon 21, Biogon 28 and Tele-Tessar 85 from the Zeiss ZM lens lineup

In Part 12 of The M Files, Jörg-Peter reviews three interesting lenses from the Zeiss ZM stable — a couple of wide-angles and the 85 mm Tele-Tessar...