Originally Posted by jzhang
over sharpen or add noise?
I never liked how PS sharpened images. I'm guessing the options for resizing actually change the way the pixels are arranged...this is the natural way images are minimized. Normally PS smooths them out to get rid of this effect, and you loose some detail in return...remove that feature and you get a photo like this.
Here is an image taken with my 100-400L and the same effect, in this image it really gives a sense of depth...like you can reach out and touch the tiger...