Lou Gonza wrote: Yes, I'm importing Canon 5dM2 raw files (25-30mb each!) and LR3 is choking on them. There is no doubt, they are BIG files, but I would still expect LR to be able to handle them. It is being marketed as pro software so one would expect them to have tested this. I process for other pro photographers, so I'm dealing with loads of different cameras, and I've run something like 70k photos through LR3 in the last few months. 5d Mk2 files are amongst those I've been processing, and I haven't seen LR choke yet, so it appears there's something else going on here. This thread has got ridiculously long now, and I've lost track of all of the things suggested, but it would be worth those who are having problems trying a couple of obvious possibilities. Move or trash the preferences file (with the presets on Windows or with the user preferences for Mac) and try a new catalog with photos without settings, to see if they exhibit the same problem.
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