Back to the original discussion.
I never sharpen in camera, although I'm not saying it hasen't any merit, I find it's not as controlled or delicate enough for my needs.
Sharpening (normally via USM in PS) is the very last thing I do on an image, particularly as the amount of sharpening depends upon output.
For example, an image for this site, I would resize the image to the relevant dimensions , then apply USM at amount around 25-30, radius 1, threshold 0. and then save for web.
If I was going to print a 20x16 image, I would re-size first, then USM at a much higher level than previous, then print the image.
Needless to say, all my images are saved as tiff files unsharpened, only applying the relevant sharpening at output.
Using in-camera sharpening, you don't have this fine control.


