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johnrmoyer
Rising Star
since ‎06-22-2021
Online

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Does Canon DPP4 use both GPUs on 2019 iMac with Intel CPU?

03-19-2023
Thanks in advance for answers or information that might lead to answers.My 2019 27 inch iMac has two GPUs. MacOS 13.2.1 (22D68), also called Ventura.CPU: Intel(R) Core(TM) i5-9600K CPU @ 3.70GHzGPUs: Intel HD Graphics CFL + Radeon Pro 580XThe display...

DPP and HIF HDR PQ

02-24-2023
In DPP, I experimented with HDR PQ. Since most web browsers will not display HIF, I then attempted to convert the HIF to JPEG. I am attaching examples of the results. I like the result produced by macOS Photos and the result produced by GraphicsMagic...

DPP saturation adjustment, what does it do?

02-20-2023
It has been many decades since I studied color spaces. I have forgotten much. Thanks in Advance.In DPP, it seems that the saturation slider in the "basic image adjustment" does something different than the saturation slider in "Adjust image colors". ...

DPP software feature request

06-17-2022
When using a manual only lens with no electronics, DPP does not permit one to do diffraction correction. I would guess that the only information about the lens that is needed to do a Richardson/Lucy deconvolution to correct diffraction is the F numbe...

EOS R5 focus puzzle

04-20-2022
EOS R5 focus puzzleThese three images were hand held, Canon EF 100-400mm f/4.5-5.6L IS II USM + 1.4x".The focus box displayed in the viewfinder and in DPP does not match the actual focus.I have included 3 screen captures from DPP.The camera focused o...
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