Colour or Black & White

A discussion forum - and more - for users of Digital Single Lens Reflex cameras.
https://www.dslrusers.com/
bochup wrote:Newbie question: Did you just use saturation to make it whiter on the edges?![]()
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Just need to know the technical term instead of having to say 'softer edges all the time'![]()
I hope my tlhIngan makes sense