Cosina Cosinon-S 50mm 1:2 vs Pentax smc Pentax-DA 50mm f/1.8
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Pentax
smc Pentax-DA 50mm f/1.8
Verdict at a glance
- Pentax smc Pentax-DA 50mm f/1.8 is faster by 0.3 stops (f/1.8 vs f/2.0), letting in more light.
| Spec | Cosinon-S 50mm 1:2 | smc Pentax-DA 50mm f/1.8 |
|---|---|---|
| Brand | Cosina | Pentax |
| Mount | Pentax K | Pentax K |
| Type | Prime | Prime |
| Focal length | 50mm | 50mm |
| Max aperture | f/2.0 | f/1.8 (faster) |
| Released | n/a | 2012 |
| Format | n/a | aps-c |
| Groups | n/a | 5 |
| Elements | n/a | 6 |
| Weight g | n/a | 122 |
| Filter mm | n/a | 52 |
| Length mm | n/a | 38.5 |
| Diameter mm | n/a | 63.0 |
| Min focus m | n/a | 0.45 |
| Max magnification | n/a | 0.15 |
Cosina Cosinon-S 50mm 1:2
This 50mm f/2 fast standard prime lens from Cosina fits Pentax K mount cameras. The natural field of view suits street, documentary and everyday photography.
Pentax smc Pentax-DA 50mm f/1.8
A light 50mm prime for Pentax APS-C bodies, weighing about 122 g. It takes 52mm filters and focuses as close as 0.45 m.
Pros
- Light at about 122 g
- f/1.8 aperture
- 52mm filters
Cons
- APS-C only
- Plastic build
- Soft wide open