Today's complicated zoom optical structures contain already more than 16 members, and no longer even remotely resemble for example, a memorable three-lens Tessar objective from Carl - Zeiss of blessed memory.
Leo macho zoom miundo ngumu tayari yana wanachama zaidi ya 16, na hakuna tena hata remotely hufanana kwa mfano, kukumbukwa tatu-Tessar Lens kutoka Carl Lengo - Zeiss ya kumbukumbu heri.