Pentax smc Pentax-A 50mm f/1.4 vs Vivitar 50mm f/1.8 Auto
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Verdict at a glance
- Pentax smc Pentax-A 50mm f/1.4 is faster by 0.7 stops (f/1.4 vs f/1.8), letting in more light.
| Spec | smc Pentax-A 50mm f/1.4 | 50mm f/1.8 Auto |
|---|---|---|
| Brand | Pentax | Vivitar |
| Mount | Pentax K | Pentax K |
| Type | Prime | Prime |
| Focal length | 50mm | 50mm |
| Max aperture | f/1.4 (faster) | f/1.8 |
Pentax smc Pentax-A 50mm f/1.4
Pentax smc Pentax-A 50mm f/1.4: a fast standard prime lens with a 50mm focal length and a maximum aperture of f/1.4, made for Pentax K mount cameras. The natural field of view suits street, documentary and everyday photography.
Vivitar 50mm f/1.8 Auto
A 50mm f/1.8 fast standard prime lens, the Vivitar 50mm f/1.8 Auto is designed for Pentax K mount bodies. The natural field of view suits street, documentary and everyday photography.