Optical: systems and elements – Prism – With reflecting surface
Patent
1994-01-18
1995-07-18
Blankenship, Howard B.
Optical: systems and elements
Prism
With reflecting surface
354221, 359432, G03B 1302
Patent
active
054346363
ABSTRACT:
A real image type of view finder including a positive objective lens group, a positive condenser lens group, an image erecting optical system which erects an inverted image formed by the objective lens group and the condenser lens group, and an eyepiece lens group through which the erected image can be observed. The condenser lens group is spaced at a predetermined distance from an image forming plane in the direction of the objective lens group. The inverted image is formed on the image forming plane.
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Hasushita Sachio
Ito Takayuki
Asahi Kogaku Kogyo Kabushiki Kaisha
Blankenship Howard B.
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