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While the use of a flash (left) freezes the frame, a strobe (right) captures successive frames in one image. Photographs (left to right): Kevin K and Samira Pillai
What is the stroboscopic effect? How is it different from a flash? Rajkiran Gupta, Noida,
A rudimentary camera flash produces a bright spark of luminescent flash for a single instant. On the other hand, the strobe has traditionally been used to produce a quick succession of such flashes at periodic intervals, and is used for a slightly longer duration. However, flash guns used in cameras these days can double up to perform the both functions. Another difference between the strobe and flash functions is that in a strobe, the total energy from the source is distributed across the number of instances the subject has to be illuminated in a given period of time.
