Reverse Galilean finder with projected front window

Details Reverse Galilean finder with projected front window Reverse Galilean finder with projected front window

1994-10-20

1997-09-23

Epps, Georgia Y.

Optical: systems and elements

Lens

Eyepiece

359744, 359784, G02B 2500, G02B 1300, G02B 912

Patent

active

056710925

ABSTRACT:
A reverse Galilean finder in which a front frame, preferably associated with a front element is projected away from the eye by the finder optics without separate frame projection optics to a position such that the distance between the apparent position of the frame to the eye and the rear vertex of the finder divided by the length of the finder is at least 2.2.

REFERENCES:
patent: 4707098 (1987-11-01), Wakamiya
patent: 5300977 (1994-04-01), Lewis et al.
patent: 5335034 (1994-08-01), Lewis et al.

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