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09/12/2006 08:25:56 AM · #1 |
What is USM? Everyone talks about it. I'm assuming it's a PS tool, so how do you work it?
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09/12/2006 08:29:23 AM · #2 |
USM in photoshop is a way to increase image sharpness... it was inherited from film processing and thats why it got its name..
USM in Canon is a feature in lenses USM= Ultra Sound Motor |
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09/12/2006 08:44:44 AM · #3 |
USM in regards to editing is "unsharpen mask." See the following tutorial for a good explanation as well as instructions for implementing it: link
Also, I think the Canon version of USM is Ultra Sonic Motor. :-)
Message edited by author 2006-09-12 08:46:13. |
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