User Activity

I have downloaded Gimp version 3 for macOS.  One thing that I like is the GEGL operation DCT noise reduction.  https://docs.gimp.org/3.0/en/gimp-filter-noise-reduction.html  This is a split screen of an ISO 16000 photo from an EOS R5. I saved a 16 bi...
EOS R5 IBIS and animal eye tracking strangeness. The beak of the woodpecker was moving, but instead of a blur, there is a double exposure.   Downy Woodpecker (Dryobates pubescens) in Norman, Oklahoma, United States on March 26, 2025 ; EF100-400mm f/...
Northern Cardinal (Cardinalis cardinalis) in Norman, Oklahoma, United States on January 27, 2025 https://www.rsok.com/~jrm/2025Jan31_birds_and_cats/2025jan27_cardinal_IMG_2719c.html  Camera Model NameCanon EOS R5Lens ModelEF100-400mm f/4.5-5.6L IS II...
I often see comments that one should just crop instead of using a 2x extender. As an experiment, I stacked 2 extenders. It was cloudy, so there is high ISO noise. Today, I was able to get macPorts to successfully build gmic-gimp, so I used gimp to fu...
Sometimes I see questions about whether DPP software can upscale an image. The answer is yes that if one checks the resize box in the save dialog, then DPP is willing to upscale up to 300%. As a general rule, I think it is unwise to upscale more than...