unsharp mask

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unsharp mask

Postby aussichef on Sat Apr 29, 2006 10:17 am

Could someone be kind enough to explain to me what setting they use in photoshop in unsharp mask for their d50
now i know someone is going to say do a search 7 read but i have the flu real back & alot of reading isnt going to happen over the next cpl of days lol
& i still have to work & feed the masses lol
warren
Nikon D50/D80 Nikon,MB-D80 70-200 2.8 VR,Sigma 18-50 2.8, Kenko 1.4x TC, 2 kit lenses ,Nikon 50mm f1.8 Nikon SB-600 Tamron 90mm 2.8 Canon 500D closeup lens
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Postby big pix on Sat Apr 29, 2006 11:00 am

There is no one setting for unsharp mask. This is a tool used on images only, and not your camera. Have a look here http://www.russellbrown.com/tips_tech.html and all you have to do is watch, there is a section on sharpen images, but could be a bit advanced, but no harm in watching

this site also http://myjanee.home.insightbb.com/tutorials.htm

EDIT: Also look up the help menu in Photoshop
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Postby smac on Sat Apr 29, 2006 11:36 am

There is no perfect setting for unsharp mask, it depends on the image and the finished look you want.

The amount slider determines the amount of sharpening you want
The Radius slider determines how many pixels out from the edge the sharpening will affect
The threshold slider determines how different one pixel is from the surrounding pixels

If you want a few "generic" settings you could try these on for size:

Subtle applications
125%
Radius 1
Threshold 10

Maximum sharpening
65%
Radius 4
Threshold 3

All Purpose Sharpening
85%
Radius 1
Threshold 4

You can experiment to get the look that you want but generally speaking "amount" ranges run from 50-150%, Radius 1-4 and Threshold 3-20 (with 3 being more severe and 20 more subtle.

Scott Kelby's books give good tips on unsharp mask and much of the above is derived from his settings.

Stuart
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