Olympus Zuiko Auto-S 50mm f/1.8 vs Olympus OM Zuiko 40mm f/2
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Olympus
Zuiko Auto-S 50mm f/1.8
Olympus
OM Zuiko 40mm f/2
Verdict at a glance
- Olympus Zuiko Auto-S 50mm f/1.8 is faster by 0.3 stops (f/1.8 vs f/2.0), letting in more light.
- Olympus OM Zuiko 40mm f/2 is lighter by 30g.
- Olympus OM Zuiko 40mm f/2 goes wider (40mm vs 50mm).
- Olympus Zuiko Auto-S 50mm f/1.8 reaches further (50mm vs 40mm).
| Spec | Zuiko Auto-S 50mm f/1.8 | OM Zuiko 40mm f/2 |
|---|---|---|
| Brand | Olympus | Olympus |
| Mount | Olympus OM | Olympus OM |
| Type | Prime | Prime |
| Focal length | 50mm | 40mm (wider) |
| Max aperture | f/1.8 (faster) | f/2.0 |
| Format | full-frame | full-frame |
| Groups | 5 | 6 |
| Af motor | none | none |
| Elements | 6 | 6 |
| Weight g | 170 | 140 (lighter) |
| Filter mm | 49 | 49 |
| Min focus m | 0.45 | 0.3 (closer focusing) |
| Length mm | n/a | 25.0 |
| Diameter mm | n/a | 60.0 |
Olympus Zuiko Auto-S 50mm f/1.8
The standard kit lens of the OM film SLR line, a light manual-focus 50mm f/1.8 that weighs about 170 g. It takes 49mm filters and focuses as close as 0.45 m.
Pros
- Light at about 170 g
- Compact
- Simple manual controls
- Fast f/1.8 aperture
Cons
- Manual focus and aperture only
- Soft and low in contrast wide open
- Old coatings can flare
Olympus OM Zuiko 40mm f/2
A tiny OM pancake-style prime weighing about 140 g and only 25 mm long. It takes 49mm filters and focuses as close as 0.3 m.
Pros
- Very compact at 140 g
- f/2 aperture
- Close focus 0.3 m
- 49mm filters
Cons
- Manual focus only
- Limited availability