Optical system of variable magnification

Details Optical system of variable magnification Optical system of variable magnification

1986-02-12

1987-11-17

Perkey, W. B.

354201, 354225, G03B 300, G03B 1308

Patent

active

047071036

ABSTRACT:
An optical system of variable magnification including an image forming lens system having at least one optical member axially movable for varying the image magnification, and a light beam splitting device in the optical path of the lens system, the optical member and the splitting device being arranged to move simultaneously.

REFERENCES:
patent: 3914034 (1975-10-01), Komine
patent: 4171890 (1979-10-01), Mizuki et al.
patent: 4357085 (1982-11-01), Niwa et al.
patent: 4544250 (1985-10-01), Tanaka et al.

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