Why is flash photography banned from most museums? – BBC Science Focus Magazine

Museums generally cite concerns that camera flashes can damage the pigments in paintings. Some pigments are indeed sensitive to light, which speeds up chemical reactions that break them down. As a result, the lighting in museums and galleries is carefully controlled to minimise damage. But modern camera phones are unlikely to cause additional damage and there is no direct evidence that they do.


Some experts argue that any damage done by camera flashes could be offset by closing and turning off the lights a few minutes earlier each day.

From a museum’s perspective, stopping to take photos will block the flow of visitors and reduce their need to hit the gift shop to buy postcards and prints.

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Asked by: Lauren Barrett, Isle of Wight


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