Pentax HD Pentax DA 70mm F2.4 AL Limited vs Pentax SMC Pentax-FA 77mm F1.8 Limited
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 77mm F1.8 Limited is faster by 0.8 stops (f/1.8 vs f/2.4), letting in more light.
- Pentax HD Pentax DA 70mm F2.4 AL Limited is lighter by 123g.
- Pentax HD Pentax DA 70mm F2.4 AL Limited goes wider (70mm vs 77mm).
- Pentax SMC Pentax-FA 77mm F1.8 Limited reaches further (77mm vs 70mm).
| Spec | HD Pentax DA 70mm F2.4 AL Limited | SMC Pentax-FA 77mm F1.8 Limited |
|---|---|---|
| Brand | Pentax | Pentax |
| Mount | Pentax K | Pentax K |
| Type | Prime | Prime |
| Focal length | 70mm (wider) | 77mm |
| Max aperture | f/2.4 | f/1.8 (faster) |
| Format | aps-c | full-frame |
| Weight g | 147 (lighter) | 270 |
| Filter mm | 49 | 49 |
| Length mm | 26.0 | 48.0 |
| Diameter mm | 63.0 | 64.0 |
| Min focus m | 0.7 | 0.7 |
| Blades | n/a | 9 |
| Groups | n/a | 6 |
| Af motor | n/a | screw-drive |
| Elements | n/a | 7 |
| Max magnification | n/a | 0.14 |
Pentax HD Pentax DA 70mm F2.4 AL Limited
A thin pancake-style 70mm prime for Pentax APS-C bodies weighing about 147 g. It takes 49mm filters and focuses as close as 0.7 m.
Pros
- Tiny at 26 mm long
- Light at about 147 g
- Metal build
- Natural 105mm-equivalent view
Cons
- APS-C only
- f/2.4 aperture, not very fast
- Minimum focus 0.7 m
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