It is probably my fault for not erasing my SD card(s) each time I want to load new images into C.O.P. When I select the import button all the images on the card appear, I then select only the newest images to import. It shows the number selected in the bottom right corner and I hit enter. Then when looking at my image library, all of the images are imported, thus duplicates. Aperture is good at not allowing duplicates to import, LR is not so good, (especially with jpg’s) LR just adds a sequence number to end of each file name. Grrr. I’ve spent countless hours removing those. Sorry got side tracked.
So the question: Is there a way to prevent duplicates from being imported into C.O.P.?