Pentax Optio A40 - Test shots - Detail and lens perfomance

A range of general test shots are shown over the next two pages. In some cases, the full size image has been reduced for bandwidth purposes, and a crop taken from the original full resolution image has been placed below it to show the overall image quality. Some other pictures may be clicked to view the original full-size image.

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Here's the usual detail test shot of the West Window of Exeter Cathedral, for you to compare with other cameras. See below for a full res crop, or click to see the whole picture.

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The level of detail is very good, but not really much better than the 10MP A30.

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The lens does produce barrel distortion at wide angle, but is is fairly even.

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Centre sharpness is very good.

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Corner sharpness is also excellent, with no chromatic aberration.

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Unusually, there is also some barrel distortion at the telephoto end.

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