Internal indicator of a viewfinder

摘要

Disclosed is an internal indicator for a viewfinder, wherein the viewfinder includes a viewfinder optical system including an objective optical system, an erecting optical system and an eyepiece optical system, wherein an image formed by the objective optical system is viewed through the eyepiece optical system via the erecting optical system. The internal indicator includes: an information indicating device, positioned in the vicinity of the image formed by the objective optical system, for indicating photographic information that is viewed through the eyepiece optical system; and an optical element positioned in a light path, the light path extending from the information indicating device to an exit pupil of the viewfinder optical system. The optical element is formed so that a refracting power of the optical element in a radial direction towards an optical axis of the eyepiece optical system is different from a refracting power of the optical element in a direction perpendicular to the radial direction.