Pentax SMC Pentax-FA 77mm F1.8 Limited vs Pentax smc Pentax-FA 50mm f/1.4
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-FA 50mm f/1.4 is faster by 0.7 stops (f/1.4 vs f/1.8), letting in more light.
- Pentax smc Pentax-FA 50mm f/1.4 goes wider (50mm vs 77mm).
- Pentax SMC Pentax-FA 77mm F1.8 Limited reaches further (77mm vs 50mm).
| Spec | SMC Pentax-FA 77mm F1.8 Limited | smc Pentax-FA 50mm f/1.4 |
|---|---|---|
| Brand | Pentax | Pentax |
| Mount | Pentax K | Pentax K |
| Type | Prime | Prime |
| Focal length | 77mm | 50mm (wider) |
| Max aperture | f/1.8 | f/1.4 (faster) |
| Blades | 9 | n/a |
| Format | full-frame | n/a |
| Groups | 6 | n/a |
| Af motor | screw-drive | n/a |
| Elements | 7 | n/a |
| Weight g | 270 | n/a |
| Filter mm | 49 | n/a |
| Length mm | 48.0 | n/a |
| Diameter mm | 64.0 | n/a |
| Min focus m | 0.7 | n/a |
| Max magnification | 0.14 | n/a |
Pentax SMC Pentax-FA 77mm F1.8 Limited
A short telephoto portrait prime in Pentax's FA Limited line. It covers full frame.
Pros
- Compact
- Metal build
- Beautiful rendering
Cons
- Not sealed
- Limited availability
Pentax smc Pentax-FA 50mm f/1.4
The Pentax smc Pentax-FA 50mm f/1.4 is a fast standard prime lens covering 50mm at f/1.4 for Pentax K mount cameras. The natural field of view suits street, documentary and everyday photography.