I find that thumbnails for (D800) MOV files take a while to load up in the contact sheet window, thereby delaying the display of thumbnails for NEFs.
Is there a way to filter out MOV files in this view?
Apart from the update speed issue, sometimes the thumbnail creation seems to stop altogether. PM initially still seems to be responsive, in that I can click on things and the view updates, but when I e.g. close down the folder concerned, PM hangs for real, requiring a force close. I'm wondering whether this has anything to do with the presence of MOV files in the folder.