What is the purpose of an IR filter on a camera? Does it allow you to see in the dark with night vision goggles? - Quora
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Amazon.com : Adjustable Infrared Filter IR Lens Pass Infra-Red 550nm to 750nm 49 52 58 67 77mm for SLR DSLR Camera Lens Nikon Canon Sony (77MM) : Electronics
Re: Which DP cameras have IR sensor behind the lens?: Sigma Camera Talk Forum: Digital Photography Review
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Kase Clip-in Infrared Filter for Sony Camera a7 full-frame a9 a7r a7c filters – ASA College: Florida
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