OPTICAL LENS BARREL AND OPTICAL DEVICE

PROBLEM TO BE SOLVED: To provide an optical lens barrel by which an optical element such as an optical filter can advance to/retreat from an optical path as an optical lens barrel used for a video camera and a still camera. SOLUTION: This optical lens barrel equipped with image-formation optical sys...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
1. Verfasser:	ICHISE HARUNOBU
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 ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an optical lens barrel by which an optical element such as an optical filter can advance to/retreat from an optical path as an optical lens barrel used for a video camera and a still camera. SOLUTION: This optical lens barrel equipped with image-formation optical systems L1 to L4 and an image pickup means 13 arranged at the rear of the image-formation optical systems in lens barrel main bodies 1, 2 and 3 is provided with an element advancing/retreating means 11 acting in the lens barrel main body and making the optical elements 10a and 10b such as the optical filter and the like advance to/retreat from the optical path between the image- formation optical system and the image pickup means.