The optical germanium lens Diaries
Discover: Undefined variable: error_enquiry in /www/wwwroot/shalomeo.com/catalog/perspective/concept/shalomtpl2/template/merchandise/merchandise.tpl on line 133Our spherical plano-concave germanium lenses are principally utilized to diverge a beam from a collimated light supply, or to enhance the focal length of the optical procedure.Large-angle le