Method and apparatus for a binocular optical system

Details Method and apparatus for a binocular optical system Method and apparatus for a binocular optical system

1997-04-17

1998-11-17

Nguyen, Thong

Optical: systems and elements

Compound lens system

Telescope

359383, 359407, G02B 2300

Patent

active

058384928

ABSTRACT:
An optical system which is telecentric to an image, having an objective optical system for forming a model image based on rays from the model magnified by a predetermined ratio to an actual object. An eyepiece lens is included for observing the model image formed through the objective optical system. The distance between the objective optical system and the eyepiece lens is varied so that a visual impression obtained by observing the model image through the eyepiece lens becomes substantially equal to a visual impression obtained by observing the actual object directly with the eyes.

REFERENCES:
patent: 4673260 (1987-06-01), Steinberg
patent: 4702570 (1987-10-01), Yoshino et al.
patent: 4856997 (1989-08-01), Mellecker
patent: 4929066 (1990-05-01), Wakimoto et al.
patent: 5414561 (1995-05-01), Wakimoto et al.

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