Pentax smc Pentax-A 50mm f/1.7 vs Vivitar 50mm f/1.4 Auto
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Verdict at a glance
- Vivitar 50mm f/1.4 Auto is faster by 0.6 stops (f/1.4 vs f/1.7), letting in more light.
| Spec | smc Pentax-A 50mm f/1.7 | 50mm f/1.4 Auto |
|---|---|---|
| Brand | Pentax | Vivitar |
| Mount | Pentax K | Pentax K |
| Type | Prime | Prime |
| Focal length | 50mm | 50mm |
| Max aperture | f/1.7 | f/1.4 (faster) |
Pentax smc Pentax-A 50mm f/1.7
The Pentax smc Pentax-A 50mm f/1.7 is a fast standard prime lens covering 50mm at f/1.7 for Pentax K mount cameras. The natural field of view suits street, documentary and everyday photography.
Vivitar 50mm f/1.4 Auto
This 50mm f/1.4 fast standard prime lens from Vivitar fits Pentax K mount cameras. The natural field of view suits street, documentary and everyday photography.