ZOOM LENS MOUNT ASSEMBLY WITH MEANS FOR CLOSE-UP FOCUSING

A zoom lens assembly includes a focusing lens system, a magnification varying lens system consisting of two movable lens groups, and an image forming lens system. Movement of an operating ring in the assembly simultaneously moves the two movable lens groups according to a predetermined relationship....

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	NOZAWA H,JA, IIDA Y,JA
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS
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