5100RE: [PPLetterpress] Halftones and photopolymer
- Dec 17, 2005I assume you are making B&W halftones rather than CMYK.
You want to first edit the photo in a program like Adobe Photoshop. It
sometimes helps to maintain highlight detail by slightly darkening bright
colors like white and yellow. From there, adjust the brightness for
optimal results on the main subject. Then, gradually reduce contrast until
their is a uniform minimum dot pattern of approximately 20 percent
throughout all highlight areas.
There may be a more sophisticated way, but the above process generally
works pretty good for me.
> [Original Message]
> From: Gerald Lange <bieler@...>
> I've not had problems with halftones that I have configured but I am
> getting a lot of stuff from folks where the lower end of the grayscale
> drops out, leaving holes in the image surface. I assume this has more
> to to do with too much contrast in the photo and possibly a
> combination that also has to do with the line screen specified.
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