Periods of camera shyness? (4)

I believe the answer is:

eras

'periods' is the definition.
(periods of time)

'of camera shyness?' is the wordplay.
'of' says the answer is hidden in the clue.
'ERAS' is hidden in the letters of 'camera shyness'.

(Other definitions for eras that I've seen before include "Periods, ages" , "Periods of time" , "Epochs" , "At least two times" , "Long and distinct periods of history" .)

I've seen this clue in the Evening Standard.

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