Underexposed moonshot. Which flash?

Started Mar 19, 2011 | Discussions thread
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Mr Physics
Mr Physics Contributing Member • Posts: 715
Underexposed moonshot. Which flash?

Sometimes when I capture the moon, there will a significant portion of it well exposed and then some of it will be drastically underexposed to the point of absolute black. I'm thinking a fill flash is in order. Would a SB600 do it or will to spend the cash for a SB900? Anybody know what the GN is for the darkside at, say, f/2.8?

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