Hoya R72 Infrared Filter 720nm – IR Photography Dark Red Lens Filter Available-sizes-mm:67mm - $90.90 and scratch-resistant

and scratch-resistant

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and result in over 97% average light transmission

W12 is stronger than W10 so it will produce a more neutral look when used with standard tungsten balanced films

You are shooting at sunrise or sunset with daylight-balanced film (5500° K) and you want to a really warm looking scene

Hoya R72 Infrared Filter 720nm – IR Photography Dark Red Lens Filter Available-sizes-mm:67mm - $90.90 and scratch-resistantDescription Learn More on our latest Blog The Hoya R72 Infrared filter is specifically designed for infrared photography with digital cameras and infrared film. Infrared light starts in the high red area of the visible spectrum at around 750nm and goes up beyond 1000nm. This light is not visible to the naked eye. The R72 filter only allows light to pass through the lens from the very high red edge of the visible spectrum. Infrared photography yields