Olympus OM Zuiko 135mm f/2.8 vs Tamron SP 135mm f/2.5 CF Adaptall-2
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Tamron
SP 135mm f/2.5 CF Adaptall-2
Verdict at a glance
- Tamron SP 135mm f/2.5 CF Adaptall-2 is faster by 0.3 stops (f/2.5 vs f/2.8), letting in more light.
- Olympus OM Zuiko 135mm f/2.8 is lighter by 50g.
| Spec | OM Zuiko 135mm f/2.8 | SP 135mm f/2.5 CF Adaptall-2 |
|---|---|---|
| Brand | Olympus | Tamron |
| Mount | Olympus OM | Olympus OM |
| Type | Telephoto | Telephoto |
| Focal length | 135mm | 135mm |
| Max aperture | f/2.8 | f/2.5 (faster) |
| Released | n/a | 1979 |
| Format | full-frame | full-frame |
| Groups | 5 | 4 |
| Af motor | none | none |
| Elements | 5 | 4 |
| Weight g | 360 (lighter) | 410 |
| Filter mm | 55 | 58 |
| Length mm | 80.0 | 84.0 |
| Diameter mm | 61.0 | 68.0 |
| Min focus m | 1.5 | 1.2 (closer focusing) |
Olympus OM Zuiko 135mm f/2.8
Olympus OM Zuiko 135mm f/2.8: a manual-focus short-telephoto prime lens with a 135mm focal length and a maximum aperture of f/2.8, made for Olympus OM mount cameras. A classic compact manual-focus lens from the Olympus OM film-camera system.
Tamron SP 135mm f/2.5 CF Adaptall-2
This 135mm f/2.5 manual-focus short-telephoto prime lens from Tamron fits Olympus OM mount cameras, from the Tamron SP series. The focal length is a classic choice for portraits and details.