Pentax SMC DA 17-70mm f/4 AL [IF] SDM - Review / Test Report - Sample Images & Verdict
Lens Reviews - Pentax
Tuesday, 16 December 2008 21:00

Sample Shots

Finally here're some sample shots taken with the K10D and RAW-converter via CaptureOne v4.5.

Click on a thumbnail to view the original file (opens in a separate window). Please note that the originals are FULL SIZE samples (=several megabytes) thus requiring a significant amount of bandwidth so please take care of the limited resources here.

Make PENTAX Corporation
Model PENTAX K10D
ISO Speed 200
Focal Length 23.0mm
Exposure Data: f/9.0 @ 1/400s
Size 3872x2592
Make PENTAX Corporation
Model PENTAX K10D
ISO Speed 200
Focal Length 70.0mm
Exposure Data: f/4.0 @ 1/160s
Size 2592x3872
Make PENTAX Corporation
Model PENTAX K10D
ISO Speed 200
Focal Length 30.0mm
Exposure Data: f/9.0 @ 1/50s
Size 2592x3872
Make PENTAX Corporation
Model PENTAX K10D
ISO Speed 200
Focal Length 17.0mm
Exposure Data: f/8.0 @ 1/500s
Size 3872x2592
Make PENTAX Corporation
Model PENTAX K10D
ISO Speed 200
Focal Length 17.0mm
Exposure Data: f/8.0 @ 1/800s
Size 3872x2592
Make PENTAX Corporation
Model PENTAX K10D
ISO Speed 200
Focal Length 63.0mm
Exposure Data: f/4.0 @ 1/2500s
Size 3872x2592

Verdict

The Pentax DA SMC 17-70mm f/4 AL [IF] SDM is undoubtedly the most desirable standard zoom lens in the current Pentax lens lineup. The resolution characteristic is very good without any significant weakness. The vignetting and distortion are about average for a lens in this class. The lateral CAs are relatively well-controlled although you may spot some traces in field conditions when using wide-angle settings. The quality of the bokeh (out-of-focus blur) seems to be very fine albeit limited compared to fast prime lenses naturally. Contra-light situations are handled fairly well with comparatively underdeveloped ghosting problems. Typical for most Pentax DA lenses the build quality is on a very high level. The fast and near-silent ultrasonic AF is also a very welcome new feature. All-in-all a very harmonious package selling for a very fair price of around 480€/US$.

Optical Quality:    
Mechanical Quality:
Price/Performance:
      
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