Shanghai Optics offers a wide range of germanium lenses, including spherical, aspheric, and custom options, with anti-reflective coatings that enhance transmission up to 95%. These lenses provide ...

Late 1600s – Dutch scientist Antonie van Leeuwenhoek constructed a microscope with a single spherical lens. It magnified up to ×275. 1800s - the optical quality of lenses increased and the ...