Pentax K-S1 review

Flashing lights, different colours, are all these gimmicks hiding a decent camera?

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Pentax K-S1

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As part of our image quality testing for the Pentax K-S1, we've shot our resolution chart.

Click here to see a full explanation of what our resolution charts mean.

Examining images of the chart taken at each sensitivity setting reveals the following resolution scores in line widths per picture height x100:

Pentax K-S1 resolution chart

Full ISO 100 image. See 100% crops below:

JPEG

Pentax K-S1 resolution chart

ISO 100: 24. Click here for full resolution version.

Pentax K-S1 resolution chart

ISO 200: 24. Click here for full resolution image.

Pentax K-S1 resolution chart

ISO 400: 22. Click here for full resolution image.

Pentax K-S1 resolution chart

ISO 800: 24. Click here for full resolution version.

Pentax K-S1 resolution chart

ISO 1600: 24. Click here for full resolution image.

Pentax K-S1 resolution chart

ISO 3200: 22. Click here for full resolution version.

Pentax K-S1 resolution chart

ISO 6400: 22. Click here for full resolution image.

Pentax K-S1 resolution chart

ISO 12800: 16. Click here for full resolution version.

Pentax K-S1 resolution chart

ISO 25600: 14. Click here for full resolution version.

Pentax K-S1 resolution chart

ISO 51200: 12. Click here for full resolution version.

RAW (converted to TIFF)

Pentax K-S1 resolution chart

ISO 100: 28. Click here for full resolution version.

Pentax K-S1 resolution chart

ISO 200: 28. Click here for full resolution version.

Pentax K-S1 resolution chart

ISO 400: 28. Click here for full resolution version.

Pentax K-S1 resolution chart

ISO 800: 28. Click here for full resolution version.

Pentax K-S1 resolution chart

ISO 1600: 28. Click here for full resolution version.

Pentax K-S1 resolution chart

ISO 3200: 26. Click here for full resolution version.

Pentax K-S1 resolution chart

ISO 6400: 24. Click here for full resolution version.

Pentax K-S1 resolution chart

ISO 12800: 20. Click here for full resolution version.

Pentax K-S1 resolution chart

ISO 25600: 16. Click here for full resolution version.

Pentax K-S1 resolution chart

ISO 51200: 14. Click here for full resolution version.

Amy Davies
Amy Davies

Amy has been writing about cameras, photography and associated tech since 2009. Amy was once part of the photography testing team for Future Publishing working across TechRadar, Digital Camera, PhotoPlus, N Photo and Photography Week. For her photography, she has won awards and has been exhibited. She often partakes in unusual projects - including one intense year where she used a different camera every single day. Amy is currently the Features Editor at Amateur Photographer magazine, and in her increasingly little spare time works across a number of high-profile publications including Wired, Stuff, Digital Camera World, Expert Reviews, and just a little off-tangent, PetsRadar.