Albada finder optical system of inverted Galilean type

Details Albada finder optical system of inverted Galilean type Albada finder optical system of inverted Galilean type

1985-10-11

1987-03-17

Corbin, John K.

350432, 350444, G02B 904, G02B 1700, G02B 2500

Patent

active

046502939

ABSTRACT:
An albada finder optical system of inverted Galilean type, comprising from the object side to the eye side: an objective lens component of a negative refractive power; and an eyepiece lens component of a positive refractive power having a reflecting surface at the object side.

REFERENCES:
patent: 3182545 (1965-05-01), Papke

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