Photo: Daft racer (CC BY-SA 3.0)
Quick answer
The Olympus OM Zuiko Auto-T 100mm f/2.8 is a short telephoto prime lens covering 100mm at f/2.8 for the Olympus OM mount. Its bright maximum aperture handles indoor and evening light reasonably well.
About this lens
A 100mm f/2.8 manual-focus short-telephoto prime lens, the Olympus OM Zuiko Auto-T 100mm f/2.8 is designed for Olympus OM mount bodies. A classic compact manual-focus lens from the Olympus OM film-camera system.
Olympus OM Zuiko Auto-T 100mm f/2.8 specifications
- Brand
- Olympus
- Mount
- Olympus OM
- Focal length
- 100mm
- Maximum aperture
- f/2.8
- Lens type
- Prime
- Format coverage
- full-frame
- Optical construction
- 5 elements in 5 groups
- Autofocus motor
- none
- Minimum focus distance
- 1 m
- Filter thread
- 49 mm
- Weight
- 230 g
- Length
- 48 mm
- Diameter
- 60 mm
Specification source: en.wikipedia.org
What can you shoot with the Olympus OM Zuiko Auto-T 100mm f/2.8?
At 100mm this is a short telephoto prime, which typically suits:
- Portraits with a flattering perspective
- Events and weddings
- Isolating subjects from the background
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 | 100mm | 20.4° | 24.4° |
| APS-C | 1.5x | 150mm | 13.7° | 16.4° |
| Micro Four Thirds | 2.0x | 200mm | 10.3° | 12.3° |
Frequently asked questions
What mount does the Olympus OM Zuiko Auto-T 100mm f/2.8 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-T 100mm f/2.8?
It is a fixed 100mm lens with a maximum aperture of f/2.8. That makes it a short telephoto lens.
Is the Olympus OM Zuiko Auto-T 100mm f/2.8 a prime or a zoom lens?
It is a prime lens with a fixed 100mm focal length. Primes usually open wider than zooms; this one opens to f/2.8.
What is the Olympus OM Zuiko Auto-T 100mm f/2.8 equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 150mm on full frame, with a 13.7° horizontal and 16.4° diagonal field of view. On Micro Four Thirds (2x crop) it frames like 200mm on full frame, with a 10.3° horizontal and 12.3° 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.
