So I finally got my dirty hands on an external flash. Have a few questions. Assume that I am in TTL-Auto FP mode and I set the flash EV separate from "regular" EV 1. Is the flash EV compensation in the SCP the same as the flash EV on the flash itself? I can set them independently and they are not linked when I change one or the other. 2. Is it worth it to get the Olympus CR-3 lithium batteries vs. NiMH? Seems like this is not made anymore. 3. My understanding is that TTL-A FP should only be used as fill flash in bright lighting conditions because it lets me use a higher shutter speed to make sure I don't overexpose? And if I go into a lower light situation where I would use a slower shutter speed, the flash won't know this and I have to switch to a non FP mode? Thanks!