Suited for IR lasers, thermal imaging, or FTIR spectroscopy, TECHSPEC® IG6 IR Aspheric Lenses are made of IG6, which consists of germanium-free chalcogenide material comprised of elements arsenic and selenium. IG6 offers optimized transmission with minimal dispersion and low dn/dt. Uncoated lenses are available in 25 mm diameter models with focal lengths of 12.5 mm or 25 mm, and 50 mm diameter models with focal lengths of 25 mm or 50 mm.
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