title: [Calculation of construction parameters of a 2-lens objective situated in media other than air].
mesh_terms: D001698:Biomedical Engineering; D007909:Lenses; D008433:Mathematics
vernacular_title: O raschete konstruktivnykh parametrov dvukhlinzovogo ob' ektiva, raspolozhennogo v srede, otlichnoĭ ot vozdukha.