Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP1345574ApriorityCriticalpatent/JPS5416409B2/ja
Priority to GB3383/75Aprioritypatent/GB1485590A/en
Priority to DE19752503860prioritypatent/DE2503860C3/de
Priority to US05/546,483prioritypatent/US3976367A/en
Publication of JPS50108923ApublicationCriticalpatent/JPS50108923A/ja
Publication of JPS5416409B2publicationCriticalpatent/JPS5416409B2/ja
G02B13/00—Optical objectives specially designed for the purposes specified below
G02B13/04—Reversed telephoto objectives
G—PHYSICS
G02—OPTICS
G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
G02B9/64—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having more than six components