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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Konica Minolta Inc
Original Assignee
Konica Minolta Inc
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 filed by Konica Minolta IncfiledCriticalKonica Minolta Inc
Priority to JP2943781ApriorityCriticalpatent/JPS57144512A/ja
Publication of JPS57144512ApublicationCriticalpatent/JPS57144512A/ja
Publication of JPH0434124B2publicationCriticalpatent/JPH0434124B2/ja
G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
G—PHYSICS
G02—OPTICS
G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
G02B13/00—Optical objectives specially designed for the purposes specified below
G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Optics & Photonics
(AREA)
Lenses
(AREA)
JP2943781A1981-03-031981-03-03Objective lens for reproduction of video disk
GrantedJPS57144512A
(en)