Cover Flow images blurred
I am enjoying my new iMac but have encountered a small problem i can't explain. I do retouching and work with RAW, layered and flat .psd and tif files.
When looking at them in Cover Flow, the flat and layered .psd fils and the tifs are all blurred. However the RAW (NEFs in this case) and original and unworked on .psd's are all sharp. On my previous MBP this did not happen, they were all sharp. These are all files of 30MB or so, not small ones. can anyone throw any light on why this is? Is there a setting somewhere I haven't discovered?
Thanks in advance.