Pros

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  • Pro + In-body image stabilisation<br />+ Quick autofocusing system<br />+ Pixel Shift Resolution feature<br />+ Unique astrotracer feature for astrophotography

Cons

Cons icon
  • Con - No touch/Articulation to LCD screen<br />- No Wi-Fi/NFC connectivity<br />- Only 27 autofocusing points<br />

Noise

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JPEG images from the Pentax Prime III processor can have multiple issues which cause a lack of detail in images such as clipping in colour channels and in-camera noise reduction. However, it’s possible to control noise and achieve detailed images shooting in raw and post-processing.

At ISO sensitivities between ISO 100-800, there is some luminance noise present in the raw files but it’s very slight and only obvious at ISO 1,600 and above. I would happily use this camera right up to 6,400 without worrying too much about colour or luminance noise, but thereafter I would take measures to keep it lower.

Below are 100% crops from our test scene across the full range of ISO sensitivities.

Pentax_K3 II__Native_Diorama_100
Pentax K-3 II noise – ISO 100
Pentax_K3 II__Native_Diorama_200
Pentax K-3 II noise – ISO 200
Pentax_K3 II__Native_Diorama_400
Pentax K-3 II noise – ISO 400
Pentax K-3 II noise – ISO 800
Pentax K-3 II noise – ISO 800
Pentax K-3 II noise – ISO 1600
Pentax K-3 II noise – ISO 1600
Pentax K-3 II noise – ISO 3200
Pentax K-3 II noise – ISO 3200
Pentax K-3 II noise – ISO 6400
Pentax K-3 II noise – ISO 6400
Pentax K-3 II noise – ISO 12,800
Pentax K-3 II noise – ISO 12,800
Pentax K-3 II noise – ISO 25,600
Pentax K-3 II noise – ISO 25,600
Pentax K-3 II noise – ISO 51,200
Pentax K-3 II noise – ISO 51,200

Score