Photo Answers
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Exposure range
Q If I’m shooting a series of three images for merging to HDR, what should the exposure difference between each shot be?
Gary Hardman
A I have a simple rule when it comes to this, based on my own experience of shooting and blending those frames into a single HDR image. The minimum difference I choose for a bracketed sequence is one stop. A three-shot sequence of -1, 0, +1 would be my standard set-up if the scene isn’t too contrasting, but I still feel there is enough contrast to warrant bracketing the exposures to capture both the shadow and highlight details within the camera’s dynamic range. (See Tech Check, opposite page.)
In this situation, I won’t necessarily end up merging those three shots into an HDR image; but I am making sure that
