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Meniscus concave convex lens

black meniscus infrared lens, Multi-Substrate CaF2 ZnSe ZnS Ge MgF2 Si Concave-Convex Infrared Lens

black meniscus infrared lens, Multi-Substrate CaF2 ZnSe ZnS Ge MgF2 Si Concave-Convex Infrared Lens

Edge-blackened meniscus IR lens blocks stray light, multiple crystal substrates CaF2/ZnSe/ZnS/Ge/MgF2/Si optional

Model:FG-IR-MEN-BLACKEDGE