KMZ MC Helios-44M-4 58mm 1:2 vs Tamron 28mm f/2.5 Adaptall-2
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Verdict at a glance
- KMZ MC Helios-44M-4 58mm 1:2 is faster by 0.6 stops (f/2.0 vs f/2.5), letting in more light.
- Tamron 28mm f/2.5 Adaptall-2 is lighter by 120g.
- Tamron 28mm f/2.5 Adaptall-2 goes wider (28mm vs 58mm).
- KMZ MC Helios-44M-4 58mm 1:2 reaches further (58mm vs 28mm).
| Spec | MC Helios-44M-4 58mm 1:2 | 28mm f/2.5 Adaptall-2 |
|---|---|---|
| Brand | KMZ | Tamron |
| Mount | M42 | M42 |
| Type | Prime | Prime |
| Focal length | 58mm | 28mm (wider) |
| Max aperture | f/2.0 (faster) | f/2.5 |
| Released | n/a | 1979 |
| Blades | 6 | n/a |
| Format | full-frame | full-frame |
| Groups | 4 | 7 |
| Af motor | none | none |
| Elements | 6 | 7 |
| Weight g | 300 | 180 (lighter) |
| Filter mm | 52 | 49 |
| Length mm | 42 | 37.5 |
| Diameter mm | 64 | 64.5 |
| Min focus m | 0.5 | 0.25 (closer focusing) |
KMZ MC Helios-44M-4 58mm 1:2
A later multi-coated version of the Soviet 58mm f/2 Helios in M42 mount. It keeps the swirly bokeh character of the Biotar-style design.
Pros
- Multi-coating improves contrast
- Strong, recognizable bokeh
- Easy to adapt
Cons
- Soft at f/2
- Copy quality varies
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.