Originally posted by reh321 incorporating the noise reduction from the K-70/KP is very good and did require a hardware upgrade.
What is your insider knowledge on this?
What hardware was upgraded?
I understand that the same Sony sensor is used, which means that nominal noise performance will be identical. Modern Sony sensors include the A/D stage and there is nothing (not even ultra-stable analogue voltage supply) a camera manufacturer can do to influence the nominal sensor noise.
It is, of course, possible and customary to bake RAW data in order to eliminate noise, trying to do it in a manner to be not called out by DxOmark (who measure unnatural correlation in order to uncover noise reduction on RAW data which ultimately decreases image detail as well).
In my view, RAW data should not be manipulated and I don't see the point in providing any new/changed processing of RAW data. Let's not even consider talking about JPEGs for a camera of the calibre of the K-1. High ISO numbers like 819,200 don't mean anything, really as IQ at that level will be abysmal. If quoting such numbers helps selling cameras, that's fine by me, but any serious photographer will not be impressed by a change from 204,800 to 819,200, given that the sensor is (apparently) unchanged.
I have no idea what the new "Pixel Shift Resolution (SR II)" is about, but apparently it does not provide super resolution, as there are no additional options mentioned in the specs. Was there anything wrong about the Pixel Shift technology in the K-1?
Anyhow, I'm happy if a new model gets Ricoh some exposure again, but it would have been nice if some modest changes (say improved USB/card speed) had created more incentive for existing K-1 users to upgrade.
N.B., I keep hearing the argument that the K-5 II upgrades were minor/cosmetic as well. That's absolutely not true. The K-5 had a flawed AF system that was sensitive to colour shifts. The K-5 II fixed that with an entirely new AF design. The K-5 defect did not manifest itself in every AF situation, but nevertheless fixing its inherent disadvantage required a major development and the K-5 II (+ K-5 IIs) were all but practically unchanged versions of their predecessor.