Replacing Western Ones: "Roselectronica" Showed New "Amethyst-IR" Optical Infrared Filters for the First Time
They will be useful for the defense industry, instrument engineering, and civilian video systems
NII «Girikond»
Russia has replaced Spectrogon, Andover and Edmund Optics optics in thermal imagers and guidance systems with domestic alternatives
These optical infrared filters also work on completely civilian video surveillance equipment