Finder optical system in camera

Optical: systems and elements – Glare or unwanted light reduction – With absorption means

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Details

359362, 359601, 354222, G02B 2700, G03B 1310

Patent

active

054424810

ABSTRACT:
A real image type of finder optical system, provided separately from a photographing optical system. A real image is formed by an objective optical system and is observed through an ocular optical system. The objective optical system includes at least one lens that is made of synthetic resin and has at least one lens surface coated with an anti-reflection material.

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