Quick answer
A tiny OM pancake-style prime weighing about 140 g and only 25 mm long. It takes 49mm filters and focuses as close as 0.3 m.
Pros
- Very compact at 140 g
- f/2 aperture
- Close focus 0.3 m
- 49mm filters
Cons
- Manual focus only
- Limited availability
Verdict
A neat small normal lens.
About this lens
This 40mm f/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 40mm f/2 specifications
- Brand
- Olympus
- Mount
- Olympus OM
- Focal length
- 40mm
- Maximum aperture
- f/2.0
- Lens type
- Prime
- Format coverage
- full-frame
- Optical construction
- 6 elements in 6 groups
- Autofocus motor
- none
- Minimum focus distance
- 0.3 m
- Filter thread
- 49 mm
- Weight
- 140 g
- Length
- 25 mm
- Diameter
- 60 mm
Specification source: en.wikipedia.org
What can you shoot with the Olympus OM Zuiko 40mm f/2?
- Street and travel
- Compact film kits
- Adapted use
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 | 40mm | 48.5° | 56.8° |
| APS-C | 1.5x | 60mm | 33.4° | 39.7° |
| Micro Four Thirds | 2.0x | 80mm | 25.4° | 30.3° |
Frequently asked questions
Why is the OM 40mm f/2 so small?
It uses a compact optical layout, giving a 25 mm barrel length.
Can the OM Zuiko 40mm f/2 be adapted to mirrorless?
Yes, with an OM adapter. You focus and set aperture manually.
What filter size does it use?
The filter thread is 49mm, so standard 49mm polarizers and ND filters screw straight onto the front.
Alternatives for Olympus OM from other brands
All Olympus OM lensesSame mount, overlapping focal range, closest maximum aperture first.
