Carl Zeiss Biogon 21mm F/4.5
- Mount
- CONTAREX
- Focal Length
- 21mm
- Max Aperture
- F/4.5
- Type
- Wide
- Brand
- Carl Zeiss
Carl Zeiss Biogon 21mm f/4.5 is an ultra-wide-angle prime lens for 35mm Contarex mount cameras, designed for landscape and architecture at moderate aperture settings. Fixed aperture maximum of f/4.5.
Last verified: 2026-04-27