Fotasy M3517 35mm f/1.7 vs Tamron SP 28mm f/2.5 Adaptall-2
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Fotasy
M3517 35mm f/1.7
Tamron
SP 28mm f/2.5 Adaptall-2
Verdict at a glance
- Fotasy M3517 35mm f/1.7 is faster by 1.1 stops (f/1.7 vs f/2.5), letting in more light.
- Tamron SP 28mm f/2.5 Adaptall-2 goes wider (28mm vs 35mm).
- Fotasy M3517 35mm f/1.7 reaches further (35mm vs 28mm).
| Spec | M3517 35mm f/1.7 | SP 28mm f/2.5 Adaptall-2 |
|---|---|---|
| Brand | Fotasy | Tamron |
| Mount | M42 | M42 |
| Type | Prime | Prime |
| Focal length | 35mm | 28mm (wider) |
| Max aperture | f/1.7 (faster) | f/2.5 |
| Released | n/a | 1979 |
| Format | n/a | full-frame |
| Groups | n/a | 7 |
| Af motor | n/a | none |
| Elements | n/a | 7 |
| Weight g | n/a | 180 |
| Filter mm | n/a | 49 |
| Length mm | n/a | 37.5 |
| Diameter mm | n/a | 64.5 |
| Min focus m | n/a | 0.25 |
Fotasy M3517 35mm f/1.7
Fotasy M3517 35mm f/1.7: a fast manual-focus wide-angle prime lens with a 35mm focal length and a maximum aperture of f/1.7, made for M42 mount cameras. The wide view suits landscapes, architecture and environmental shots.
Tamron SP 28mm f/2.5 Adaptall-2
A 28mm f/2.5 manual-focus wide-angle prime lens, the Tamron SP 28mm f/2.5 Adaptall-2 is designed for M42 mount bodies, from the Tamron SP series. The wide view suits landscapes, architecture and environmental shots.