Quick answer
The Carl Zeiss Jena 1Q Biotar 1:2 f=58mm T is a standard prime lens covering 58mm at f/2.0 for the M42 mount. Its fast maximum aperture helps in dim light and gives good subject separation.
About this lens
A 58mm f/2 fast manual-focus standard prime lens, the Carl Zeiss Jena 1Q Biotar 1:2 f=58mm T is designed for M42 mount bodies. The natural field of view suits street, documentary and everyday photography.
Carl Zeiss Jena 1Q Biotar 1:2 f=58mm T specifications
- Brand
- Carl Zeiss
- Mount
- M42
- Focal length
- 58mm
- Maximum aperture
- f/2.0
- Lens type
- Prime
What can you shoot with the Carl Zeiss Jena 1Q Biotar 1:2 f=58mm T?
At 58mm this is a standard prime, which typically suits:
- Everyday and street photography
- Natural-perspective portraits
- Documentary and travel work
Its fast maximum aperture helps in dim light and gives good subject separation.
Full-frame equivalent and field of view
Calculated from the focal length and crop factor (adapted mount, so sensor size depends on your camera). Not measured.
| Sensor | Crop | Equivalent | Horizontal FOV | Diagonal FOV |
|---|---|---|---|---|
| Full frame | 1.0x | 58mm | 34.5° | 40.9° |
| APS-C | 1.5x | 87mm | 23.4° | 27.9° |
| Micro Four Thirds | 2.0x | 116mm | 17.6° | 21.1° |
Frequently asked questions
What mount does the Carl Zeiss Jena 1Q Biotar 1:2 f=58mm T use?
It uses the M42 mount, so it fits M42 cameras directly and can be used on other systems through a mount adapter.
What is the focal length of the Carl Zeiss Jena 1Q Biotar 1:2 f=58mm T?
It is a fixed 58mm lens with a maximum aperture of f/2.0. That makes it a standard lens.
Is the Carl Zeiss Jena 1Q Biotar 1:2 f=58mm T a prime or a zoom lens?
It is a prime lens with a fixed 58mm focal length. Primes usually open wider than zooms; this one opens to f/2.0.
What is the Carl Zeiss Jena 1Q Biotar 1:2 f=58mm T equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 87mm on full frame, with a 23.4° horizontal and 27.9° diagonal field of view. On Micro Four Thirds (2x crop) it frames like 116mm on full frame, with a 17.6° horizontal and 21.1° diagonal field of view. These figures are calculated from the focal length and crop factor.
Alternatives for M42 from other brands
All M42 lensesSame mount, overlapping focal range, closest maximum aperture first.
