...technically it's a pro lens but it's not a $10k or $15k lens.
i'm still learning how to use all the new AI tech and now, after pixel peeping at 500% zooms of very sharp images of mine, i realize that the high pass filter step at the end of my workflow is doing more harm than good....not only does it seem to not be needed but it's oversharpening and adding artifacts that you don't necessarily see at 100% or 200% but negatively affect the overall image quality and it's apparent when comparing it to the same photo w/o the high pass filter layer, even at 50% zoom.
here's something you'll like (and andy would have gotten into this, as well...he was a master topaz user)....left image with manual NR done in cameraRAW and the right with AI NR in cameraRAW....no high pass filter on either. this image was shot today at ISO 280 and didn't have a noise problem, but viewed at 450% zoom you can see that the color red must create noise more than other colors. all areas of the crop have sharper detail on the right, but look at the detail in the red crest.....you can see it on the left but its noisy....look how clean the detail has been restored on the right by AI NR!
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