Observation hole device for optical instrument

An eye cup moving mechanism of an optical device includes: an eyepiece lens holding barrel that houses and holds an eyepiece lens; an eyepiece outer casing that is capable of sliding against an external circumferential portion of the eyepiece lens holding barrel; and an eye cup cover provided at the...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	ISHIKAWA YASUAKI,SAKODA HIROJI
Format:	Patent
Sprache:	eng
Schlagworte:	OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS
Online-Zugang:	Volltext bestellen
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