Increase ISO Slightly
SUMMARY: Increased ISO sensitivity may allow shorter exposure times.
To decrease the amount of light needed to take fireworks photographs in the night sky, thus slightly reducing the exposure time needed to take pictures, consider increasing your digital camera's ISO setting from 100 to 200 (check your digital camera manual for information). This might introduce a slight level of grain (noise) in your photo, but it should not be too prevalent, and can possibly be removed with digital photo editing software if it is noticeable.
If desired, and if your digital camera can handle it, you may want to consider increasing your ISO sensitivity even higher, but note that except for the absolute best digital cameras, the noise introduced may start to be clearly visible at 400 or above.
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