https://www.videomaker.com/news/sony-announces-free-burano-ir-cut-filter-replacement-program/
Sony developed a IR cut filter for its BURANO cinema line camera. The company has also launched a free replacement program for existing users.
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https://www.backscatter.com/Backscatter-Hybrid-Flash-Infrared-IR-Filter
Backscatter Hybrid Flash Infrared IR Filter: The Backscatter IR Filter is available for use with remote lighting scenes. It eliminates any light from the...
infrared irbackscatterhybridflashfilter