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Apr 21, 2016 at 1:11 comment added PearsonArtPhoto Visible light, yes. Infrared light, however may be absorbed in the lens, hearing it up.
Apr 21, 2016 at 0:45 comment added Nayuki Why would the lens heat up? The light is focused through the lens onto the sensor. Besides, the purpose of a lens is to transmit as much light as possible.
Dec 16, 2010 at 1:54 history answered PearsonArtPhoto CC BY-SA 2.5