New Information on K3III

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PhotoHawk Contributing Member • Posts: 846
New Information on K3III
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Bill Claff has some information on his site - see https://www.photonstophotos.net/Charts/PDR.htm

Bill's graphs do not normalize ISO - he uses the vendors ISO. So its hard to compare DR across brands. However within brands its not a stretch to say that the ISO calibration is similar model to model. So the comparison of the K3III to a K1II or KP would be fairly representative of performance differential.

The DR points before the Accelerator adds NR looks similar (not identical) to the K3 I, II and KP. It appears that the Accelerator kicks in sooner than in the KP and is stronger in its application.  It appears 8 stops of DR (or more) is available all the way up to ISO 3200 (4000)

I would opine that the the DPReview Image Comparison tool would be somewhat similar to what we see in the KP but more so and a bit sooner in the ISO range. In fact the line looks very similar to the K1 II after ISO 800. That is not a bad thing at all!

For JPeg shooters it will be great. For raw shooters with access to state of the art NR tools like DXO, maybe not so much.  Still the performance in DR and noise is unlikely to disappoint!

Pentax K-1 II Pentax KP
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