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Pentax K-3 Review

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Pentax-DA 18-270mm F3.5-6.3 Review

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General Image Quality

Below we illustrate the general image quality and sharpness over the zoom range. The images were shot in RAW at ISO 100 with a Pentax K-5 IIs with the lens stopped down four clicks on the e-dial, processed to about the same exposure, and smart sharpened 130%, radius 1. Centerpoint autofocus.

The full-size image are available for download and 100% crops can be viewed in the lightbox by clicking the thumbnails.

The scene
(click to browse)
100% crop
(click to view full size)
18mm
full-size version
40mm
full-size version
80mm
full-size version
160mm
full-size version
270mm
full-size version

Read on for in-depth analysis of sharpness, vignetting, bokeh, and aberrations.

 
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