Quick answer
The Olympus OM Zuiko 400mm f/6.3 is a super telephoto telephoto lens covering 400mm at f/6.3 for the Olympus OM mount. Its smaller maximum aperture favours daylight shooting and keeps the lens compact.
About this lens
This 400mm f/6.3 manual-focus telephoto 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 400mm f/6.3 specifications
- Brand
- Olympus
- Mount
- Olympus OM
- Focal length
- 400mm
- Maximum aperture
- f/6.3
- Lens type
- Telephoto
- Format coverage
- full-frame
- Optical construction
- 5 elements in 5 groups
- Autofocus motor
- none
- Minimum focus distance
- 5 m
- Filter thread
- 72 mm
- Weight
- 1300 g
- Length
- 255 mm
- Diameter
- 80 mm
Specification source: en.wikipedia.org
What can you shoot with the Olympus OM Zuiko 400mm f/6.3?
At 400mm this is a super telephoto telephoto, which typically suits:
- Wildlife and birds
- Motorsport and field sports
- Distant subjects and the moon
Its smaller maximum aperture favours daylight shooting and keeps the lens compact.
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 | 400mm | 5.2° | 6.2° |
| APS-C | 1.5x | 600mm | 3.4° | 4.1° |
| Micro Four Thirds | 2.0x | 800mm | 2.6° | 3.1° |
Frequently asked questions
What mount does the Olympus OM Zuiko 400mm f/6.3 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 400mm f/6.3?
It is a fixed 400mm lens with a maximum aperture of f/6.3. That makes it a super telephoto lens.
Is the Olympus OM Zuiko 400mm f/6.3 a prime or a zoom lens?
It is a prime lens with a fixed 400mm focal length. Primes usually open wider than zooms; this one opens to f/6.3.
What is the Olympus OM Zuiko 400mm f/6.3 equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 600mm on full frame, with a 3.4° horizontal and 4.1° diagonal field of view. On Micro Four Thirds (2x crop) it frames like 800mm on full frame, with a 2.6° horizontal and 3.1° 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.
