Clarity

This filter does a simple but useful job - it clarifies an image, improving colour and perceived sharpness. It is similar to PSP's built-in 'Clarify' filter, but doesn't reduce saturation as much as that version seems to do.

	There's only one slider, which controls the strength of the effect. On the image of Lee by the river, the default mid-point setting...
	...gives this result. It's difficult to know what else to say!