The forum contains a lot of posts about lighting. E.g. here:
Nate Weatherly posted a pretty thorough reply to a post on Facebook with generic recommendations for light sources that would work better than LED plates such as tracing panels etc. I know @Richard1Karash has done a pretty detailed comparison of different light sources as well.
Perhaps it would be a good idea to make a separate thread with information about specific products that are known to work well for various setups (vertical “copystand” type setups, horizontal rails and bellows type setu…
As @Harry already wrote: Watch for patterns!
Continuing with tests of my new scanning rig, i found the following:
With a 100mm lens on APS-C, the raster of an iPad backlight registered when the scan was taken at f/11, but not at f/8. Imaging ratio was about 1:2, which corresponds to a 645 repro on full frame.
Example at 300%
[Screen @ 2026-09-05 um 21.46.38.005]
Conversion, straight out of NLP, of a 1970s negative scanned with “violet” (lavender) backlight.
From a colour point of view, NLP does a great job, considering how far this b…