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Kevin,
1/2 format CCD = 8mm diagonal. With an 8mm lens thats 53 degrees field of view. Roughly equivalent to a normal 50mm lens in 35mm film and equivalent to a 28mm lens with a 300D.
It turns out the sprite photographed above was over 400km away since it was just 8-9 degrees above the horizon. An hour later I captured another sprite even lower. I'll certainly try again next time we get a very active storm (last nights fizzled out by the time it was dark and far enough away to image).
Terry
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