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Migrating from Aperture to Lightroom?

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Jun 29, 2011
Montreal, Quebec
Lightroom Experience
I am currently examining the possibility to switch from Aperture 3 to Lightroom 3. The details of which I will explain in a different thread.
I am currently looking for best practices to do so and start on a good footing.
For example, I have exported all masters from my managed library using a "Year/Month/Project" hierarchy. This pretty much reflected the folder structure I had in AP3.
The export process created the NEF (RAW) files along with large JPGs.
Question 1: Do I need to keep the JPG files? Or can I delete them?
Question 2: Will LR3 "see" 2 pics if I keep the JPG file or will it link it to the NEF master file?
Question 3: What happens to the post-processing jobs I did in AP3? Is this lost?
Many thanks.

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