Nikon D800 + LR4 import problem with dual card system:
I am transferring files to my computer (OSX, snow leopard) via USB cable. I am using dual card system with my camera: CF and SD. I am using the "backup" option which means that the content of both memory cards is identical. NEF + NEF with identical file names.
When the camera is connected to the computer and LR4 "import" is opened, LR4 does not show "D800 1" or "D800 2" -- it shows only "D800". This means that I cannot select a card which I would like to import the files from (like I can do with D700 or D3). And most of all, LR4 reacts inconsistently on "Don't import suspected duplicates". Usually, it wants to import all images on both cards -- this means that all files would be imported twice.
At the moment, in my D800, I have SD and CF with 3 identical NEF files on both cards. "Don't import suspected duplicates" is selected. In the import window I can see that LR4 wants to import 5 files: 0474+0474 (duplicates), 0475, 0476+0476 (duplicates). So, out from 6 images it recognizes that there is a one duplicate about to be imported, but those two others are not duplicates?
I guess this is a bug or what..?
I cannot comment on "bug or no bug", just suggest a very different workaround:
Get a card out of your camera and put it into a card reader plugged to your computer... or just the SD-card put into the SD-slot of your Mac?
Then LR4.0 does recognize duplicates, albeit a bit slowly: it first displays everything on the card, but then drops thumbnail per thumbnail of duplicates, until ending with the proper suggestion for new import.
Which leads me to the question if your phenomenon stays like this even if left alone for several minutes?
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