Tamron 28mm f/2.5 Adaptall-2 vs Vivitar 28mm f/2.8 Auto Wide-Angle
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Verdict at a glance
- Tamron 28mm f/2.5 Adaptall-2 is faster by 0.3 stops (f/2.5 vs f/2.8), letting in more light.
| Spec | 28mm f/2.5 Adaptall-2 | 28mm f/2.8 Auto Wide-Angle |
|---|---|---|
| Brand | Tamron | Vivitar |
| Mount | M42 | M42 |
| Type | Prime | Prime |
| Focal length | 28mm | 28mm |
| Max aperture | f/2.5 (faster) | f/2.8 |
| Released | 1979 | n/a |
| Format | full-frame | n/a |
| Groups | 7 | n/a |
| Af motor | none | n/a |
| Elements | 7 | n/a |
| Weight g | 180 | n/a |
| Filter mm | 49 | n/a |
| Length mm | 37.5 | n/a |
| Diameter mm | 64.5 | n/a |
| Min focus m | 0.25 | n/a |
Tamron 28mm f/2.5 Adaptall-2
Tamron 28mm f/2.5 Adaptall-2: a manual-focus wide-angle prime lens with a 28mm focal length and a maximum aperture of f/2.5, made for M42 mount cameras. The wide view suits landscapes, architecture and environmental shots.
Vivitar 28mm f/2.8 Auto Wide-Angle
The Vivitar 28mm f/2.8 Auto Wide-Angle is a manual-focus wide-angle prime lens covering 28mm at f/2.8 for M42 mount cameras. The wide view suits landscapes, architecture and environmental shots.