What is exposure: Definition and 1 Discussions

In photography and cinematography, a multiple exposure is the superimposition of two or more exposures to create a single image, and double exposure has a corresponding meaning in respect of two images. The exposure values may or may not be identical to each other.

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  1. Andy Resnick

    B Q: more frames or longer exposures?

    I'm hoping there's a reasonable answer to this. To summarize, data I acquired when imaging a particular target shows that I can retain 75% of my images for stacking at 10s exposure times, but only 50% of the images taken with 15s exposures. The difference is entirely due to tracking error and...
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