Quick answer
The Olympus OM Zuiko Auto-S 55mm f/1.2 is a standard prime lens covering 55mm at f/1.2 for the Olympus OM mount. Its very wide maximum aperture suits low light and shallow depth of field with strong background blur.
About this lens
This 55mm f/1.2 fast manual-focus standard prime lens from Olympus fits Olympus OM mount cameras. A classic compact manual-focus lens from the Olympus OM film-camera system.
Olympus OM Zuiko Auto-S 55mm f/1.2 specifications
- Brand
- Olympus
- Mount
- Olympus OM
- Focal length
- 55mm
- Maximum aperture
- f/1.2
- Lens type
- Prime
- Format coverage
- full-frame
- Optical construction
- 7 elements in 6 groups
- Autofocus motor
- none
- Minimum focus distance
- 0.45 m
- Filter thread
- 55 mm
- Weight
- 310 g
- Length
- 47 mm
- Diameter
- 65 mm
Specification source: en.wikipedia.org
What can you shoot with the Olympus OM Zuiko Auto-S 55mm f/1.2?
At 55mm this is a standard prime, which typically suits:
- Everyday and street photography
- Natural-perspective portraits
- Documentary and travel work
Its very wide maximum aperture suits low light and shallow depth of field with strong background blur.
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 | 55mm | 36.2° | 42.9° |
| APS-C | 1.5x | 83mm | 24.6° | 29.4° |
| Micro Four Thirds | 2.0x | 110mm | 18.6° | 22.3° |
Frequently asked questions
What mount does the Olympus OM Zuiko Auto-S 55mm f/1.2 use?
It uses the Olympus OM mount, so it fits Olympus OM cameras directly and can be used on other systems through a mount adapter.
What is the focal length of the Olympus OM Zuiko Auto-S 55mm f/1.2?
It is a fixed 55mm lens with a maximum aperture of f/1.2. That makes it a standard lens.
Is the Olympus OM Zuiko Auto-S 55mm f/1.2 a prime or a zoom lens?
It is a prime lens with a fixed 55mm focal length. Primes usually open wider than zooms; this one opens to f/1.2.
What is the Olympus OM Zuiko Auto-S 55mm f/1.2 equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 83mm on full frame, with a 24.6° horizontal and 29.4° diagonal field of view. On Micro Four Thirds (2x crop) it frames like 110mm on full frame, with a 18.6° horizontal and 22.3° diagonal field of view. These figures are calculated from the focal length and crop factor.
Alternatives for Olympus OM from other brands
All Olympus OM lensesSame mount, overlapping focal range, closest maximum aperture first.
