Pentax HD Pentax-DA* 16-50mm F2.8 ED PLM AW vs Pentax smc Pentax-DA 17-70mm f/4 AL [IF] SDM
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Verdict at a glance
- Pentax HD Pentax-DA* 16-50mm F2.8 ED PLM AW is faster by 1 stop (f/2.8 vs f/4.0), letting in more light.
- Pentax smc Pentax-DA 17-70mm f/4 AL [IF] SDM is lighter by 227g.
- Pentax HD Pentax-DA* 16-50mm F2.8 ED PLM AW goes wider (16mm vs 17mm).
- Pentax smc Pentax-DA 17-70mm f/4 AL [IF] SDM reaches further (70mm vs 50mm).
| Spec | HD Pentax-DA* 16-50mm F2.8 ED PLM AW | smc Pentax-DA 17-70mm f/4 AL [IF] SDM |
|---|---|---|
| Brand | Pentax | Pentax |
| Mount | Pentax K | Pentax K |
| Type | Zoom | Zoom |
| Focal length | 16-50mm (wider) | 17-70mm |
| Max aperture | f/2.8 (faster) | f/4.0 |
| Released | n/a | 2008 |
| Format | aps-c | aps-c |
| Weight g | 712 | 485 (lighter) |
| Filter mm | 77 | 67 |
| Length mm | 117.0 | n/a |
| Diameter mm | 84.0 | 75.0 |
| Min focus m | 0.3 | 0.28 (closer focusing) |
| Blades | n/a | 7 |
| Groups | n/a | 12 |
| Af motor | n/a | SDM |
| Elements | n/a | 17 |
| Max magnification | n/a | 0.31 |
Pentax HD Pentax-DA* 16-50mm F2.8 ED PLM AW
A constant f/2.8 standard zoom for Pentax APS-C bodies, with a PLM motor and all-weather construction. It weighs about 712 g and takes 77mm filters.
Pros
- Constant f/2.8
- PLM autofocus
- All-weather build
- 77mm filters
Cons
- APS-C only
- Heavier than the older DA* 16-50
- No lens stabilization
Pentax smc Pentax-DA 17-70mm f/4 AL [IF] SDM
A versatile standard zoom for Pentax APS-C bodies with SDM focusing. It weighs about 485 g and takes 67mm filters.
Pros
- Constant f/4
- SDM autofocus
- Wide 17-70mm range
- Close focus 0.28 m
Cons
- APS-C only
- Not weather sealed
- No stabilization
More comparisons for Pentax HD Pentax-DA* 16-50mm F2.8 ED PLM AW
- Pentax HD Pentax-DA* 16-50mm F2.8 ED PLM AW vs Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical (IF)
- Pentax HD Pentax-DA* 16-50mm F2.8 ED PLM AW vs Sigma 17-50mm f/2.8 EX DC OS HSM
- Pentax HD Pentax-DA* 16-50mm F2.8 ED PLM AW vs Sigma 17-70mm f/2.8-4 DC Macro OS HSM
- Pentax HD Pentax-DA* 16-50mm F2.8 ED PLM AW vs Tamron SP 15-30mm f/2.8 Di VC USD