Quick answer
The KMZ MIR-1B 37mm f/2.8 is a standard prime lens covering 37mm at f/2.8 for the M42 mount. Its bright maximum aperture handles indoor and evening light reasonably well.
About this lens
A 37mm f/2.8 manual-focus standard prime lens, the KMZ MIR-1B 37mm f/2.8 is designed for M42 mount bodies. The natural field of view suits street, documentary and everyday photography.
KMZ MIR-1B 37mm f/2.8 specifications
- Brand
- KMZ
- Mount
- M42
- Focal length
- 37mm
- Maximum aperture
- f/2.8
- Lens type
- Prime
- Optical construction
- 6 elements in 4 groups
- Autofocus motor
- none
Specification source: en.wikipedia.org
What can you shoot with the KMZ MIR-1B 37mm f/2.8?
At 37mm this is a standard prime, which typically suits:
- Everyday and street photography
- Natural-perspective portraits
- Documentary and travel work
Its bright maximum aperture handles indoor and evening light reasonably well.
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 | 37mm | 51.9° | 60.6° |
| APS-C | 1.5x | 56mm | 35.9° | 42.6° |
| Micro Four Thirds | 2.0x | 74mm | 27.3° | 32.6° |
Frequently asked questions
What mount does the KMZ MIR-1B 37mm f/2.8 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 KMZ MIR-1B 37mm f/2.8?
It is a fixed 37mm lens with a maximum aperture of f/2.8. That makes it a standard lens.
Is the KMZ MIR-1B 37mm f/2.8 a prime or a zoom lens?
It is a prime lens with a fixed 37mm focal length. Primes usually open wider than zooms; this one opens to f/2.8.
What is the KMZ MIR-1B 37mm f/2.8 equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 56mm on full frame, with a 35.9° horizontal and 42.6° diagonal field of view. On Micro Four Thirds (2x crop) it frames like 74mm on full frame, with a 27.3° horizontal and 32.6° 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.
