Thread: Hoya R72 Filter
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Old 6th September 2009, 07:04 PM
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Jacques Jacques is offline
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Default Hoya R72 Filter

Hi,
I know that the filter R72 from Hoya is use with infrared film. Can someone tell me if they ever try that filter with ordinary black and white film like HP5+ or Tri-x? Is it worth the try or it is just a waste of film?
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