Optical system for night-vision glasses

Details Optical system for night-vision glasses Optical system for night-vision glasses

1979-02-23

1981-05-12

Henry, Jon W.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

350412, 350463, 350443, 250213VT, G02B 1316, G02B 2312

Patent

active

042668484

ABSTRACT:
An optical system for night-vision glasses having a long focal length and a large image angle including an objective having a structural length less than 1.6f and an aperture ratio larger than 1.2, with the objective having a high distortion and an image angle of about 50.degree.. An image amplifier is provided for receiving an image from the objective and for providing an amplified image output with a viewing optic being provided for receiving the amplified image output and for compensating for the distortion of the objective to provide a substantially distortion-free image to a viewer.

REFERENCES:
patent: 3099701 (1963-07-01), Merigold
patent: 3737667 (1973-06-01), Babb et al.
patent: 3992085 (1976-11-01), Momiyama
patent: 4099843 (1978-07-01), Imai
patent: 4178075 (1979-12-01), Rogers

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