Sharpening
with
Unsharp Mask - continued

Clive R. Haynes FRPS

 
Always be careful not to over-sharpen an image and introduce 'artefacts' such as 'halos'.
See the examples below using this image a of a French chateau.
 
Above: With 'Amount' at 50% no 'artefacts' are visible

When is an image 'sharp enough or too sharp'?
 
 

Sharpening Using Luminosity


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