Any Forum Member with Experience "Qimage One" for Mac

[Tony4597]

Apologies John for taking your thread off topic

Hope you get a response to your Qimage One query soon. You may find some information/opinion on Jtoolmans Facebook or Website
https://www.facebook.com/groups/191...uJCKdfFoL7H638CtIhLjBAwIirmAtw&__tn__=-UC,P-R

or
Jose Rodriquez Photo Printing Techie on Youtube - I know that he has had Mike Chaney (Qimage) on a couple of times). He used to post here I believe

 

[thebestcpu]

No need for apologies @Tony4597, and thanks for the extra pointers. I participated in the offshoot as well.
I have ignored the "Send 16-bit Data" checkbox for decades, so it was worth revisiting.

I don't use a 16-bit workflow if not warranted and am only religious about making sure I have high-bit images to work with if at all possible, e.g., when I scan images for restoration work.

My years of experience have consistently shown that if I see it on my monitor, I almost always see it on my print. Artifacts with banding are often resolved with PS's internal dithering or what one can add manually. It is nice not to have to do that as often when working with a 16-bit workflow when that is helpful.

The experiments I did confirm that when the artifacts are gone when using a 16-bit workflow, they were also gone on the print. I also confirmed that by carefully converting that 16-bit image to 8-bit (no other changes from Photoshop dithering or color management, etc.), some photos would have artifacts (e.g., banding) that were not in the 16-bit image. I also confirmed that those artifacts made it through to a print as well.

What did surprise me, though, is that when printing a 16-bit image (that showed artifacts as an 8-bit image), I expected to see those artifacts show up in print if I left the "Send 16-bit data" unchecked. That was not the case.

So it is not clear to me what checking that box does (which I am not going to pursue), yet it is clear that on my Mac system going to an Epson P900 printer, it is not taking the 16-bit image and truncating or rounding the data to 8 bit. It is a moot point for me, as I get good images either way.

Thanks again for your help on Qimage One
John Wheeler