Often I use ACR to open a a large raw file (say, from D700 or D800) which will be used only for a small web image. Is it still worthwhile to do capture sharpening on the file, before moving it to Photoshop for additional tweaks, down-sizing, and sharpening at final size?
I'm curious about this, because there is a theoretical argument for low-pass filtering (Gaussian blurring) an image before a down-sampled size reduction. This reduces the possibility of spatial aliasing artifacts from the resampling. So, why should I sharpen the image in ACR, if I'm going to blur it in PS?