optical germanium lenses Fundamentals Explained
Notice: Undefined variable: error_enquiry in /www/wwwroot/shalomeo.com/catalog/watch/theme/shalomtpl2/template/products/product or service.tpl on line 133Our spherical plano-concave germanium lenses are primarily accustomed to diverge a beam from the collimated light-weight source, or to raise the focal size of the optical system.Rely on our profic