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Forum: Pentax Full Frame
10-31-2017, 01:59 AM
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You need to learn a couple of basics to understand.
If you want to compare then you need to export/develop both images to the same size/resolution (e.g. 8 MPx for viewing on a UHD monitor).
Then you shoot your test image at the exact same settings for time and aperture, but for the K-1 you go for a one (actually 1.5 divided by 1.4) stop higher ISO (e.g. 3200 vs 1600).
And: Obviously you have to use a FF lens, not that Sigma on the K-1.
Now you should see that at this higher ISO the K-1 image looks the same as the K-70.
For the "why" and "how" use the search here or google. It all has been explained a million times in detail.
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