Pentax K-5 review

Is the Pentax K5 simply a modest upgrade to an already existing camera, or one that deserves recognition in its own right?

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Sample 1

12mm, f/8, ISO 200 (Click to view full size image)

Sample 2

50mm, f/4, ISO 800 (Click to view full size image)

Samsple 3

85mm, f/4, ISO 200 (Click to view full size image)

Samsple 4

200mm, f/5.6, ISO 400 (Click to view full size image)