Pixel Shift Resolution System
New to the Pentax K-3 II is Pixel Shift Resolution, a mode designed to give better colour rendition, lower noise levels and resolve more detail. It does this by combining four exposures, moving the sensor by exactly one pixel between each in a square pattern. This allows it to record full colour information in the red, green and blue channels for each image pixel.
By doing this, the K-3 II no longer needs to interpolate colour at each pixel. However, unlike the Olympus OM-D E-M5 Mark II, it doesn’t increase linear resolution of the image.
Here are two 100% crops from the above image, the first taken without Pixel Shift Resolution, the second with it.
As you can see, providing the subject is static, Pixel Shift Resolution mode can produce incredibly detailed images which outperform what any other APS-C sensor is capable of at present
As there are four exposures being taken at a time, a tripod should be used and the subject needs to remain static to avoid ghosting or blurring artefacts.
Score
Score in detail
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Features 90
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Image Quality 90
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Design 85
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Performance 90
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Value 95