Best camera shot needs initial adjustment (5)

I believe the answer is:

cream

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'best' is the definition.
(I've seen this before)

I cannot understand how the rest of the clue works.

(Other definitions for cream that I've seen before include "Best - ointment" , "'There are more ways of killing a cat than choking it with ....." , "Best - substitute for shaving soap" , "Top or best part" , "Best part of the milk" .)

I've seen this clue in The Hindu.

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