Unsharp Masking at 50%?

Russell Proulx

I realize that it's generally recommended to perform Unsharp Masking with
an image viewed at 100%. But if the image's resolution is 2x the screen
frequency (for offset) then what's wrong with making USM decisions
based on viewing at 50%? Even Dan's most recent version of Professional
Photoshop leaves this issue ambiguous, admitting that the amount
required at 100% viewing is generally less than what the printed image
requires. Wouldn't judging the appropriate amount while viewing the image
@ 50% (with a very good monitor) be a better workaround?

Russell Proulx
Montreal, CANADA

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