Batty_F Offline Upload & Sell: Off
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I had to send the B2 back to LensRentals, but one additional note on TTL. Profoto's TTL is pretty good, one of the better implementations I've seen lately, but it still suffers from the same problem that every TTL has except for Nikon's i-TTL: it doesn't consider the coverage of the light.
For example, I added some images that show the exact problem on my test page
The issue is if you place the B2 close to a subject, say 2 feet from a wall, so that the light emitted by the B2 only covers a small portion of the wall, then you take a wide picture of the wall including areas that are not hit by the light, the center of the frame will be vastly overexposed. If you take the same picture zoomed in so that the B2's light fills the frame, the TTL exposure will be correct. What I think is happening is the TTL algorithm sees the dark corners of the wide shot and turns up the flash exposure in a vain attempt to brighten the corners, which it can't because the light isn't shining there.
For some reason, Nikon's i-TTL does not suffer from this issue nearly as badly as other TTL implementations.
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