Reply To: InDesign/Prepress Myths

David, not quite a ringing endorsement, but it's a start.

The *only* point I'm making is that some pixel based 8-bit images can make Good Use of 600+ppi as No Downsampling based on line screen need take place.  Call it a Bug, call it a Feature, but call it typical behavior going back to PostScript Level 2 devices.

We can see from many devices that image & printer resolution play the largest part in edge definition of Solid (100%) Lines in an 8-bit TIFF with fine or course AM line screens. see https://bit.ly/fM62bR

Let's discuss the many implications & scenarios of subject appropriate resolution for pixel based images another time.

For now this thread should stop perpetuating the “no-more-than-300dpi (or something x LPI) for any 8-bit TIFF because there is downsampling based on line screen” Myth.

Mark Godfrey
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