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Old 11-03-2007, 10:59 PM   #32
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Originally Posted by JimThias
Ok, I understand the process...double exposure and you place the moon in the corner (or where ever you want it) when you zoom in. Since I've never done double exposures with a film camera, I guess I'm left with one question: How come the dark sky doesn't "mask" over the rest of the previously exposed picture? Or, does it, but the exposure is quick enough that the dark sky doesn't cover up the original scene?
You're misunderstanding how film works here: It starts out dark, and becomes a picture when light is applied to it, a dark area will not mask over anything. (Well, technically it depends on the type of film whether it starts off black or white, negative verses diapositive)
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