Image intensifier binoculars

Details Image intensifier binoculars Image intensifier binoculars

1997-10-27

2000-02-15

Henry, Jon

Optical: systems and elements

Compound lens system

Telescope

359351, 359407, G02B 2312, G02B 2318

Patent

active

060259574

ABSTRACT:
A image intensifier binocular, so-called goggle, of the type having only one image intensifier tube (2) is working with an effective diameter of its entrance photocathode (3) below 15 mm and therefore an objective (1) having an accordingly shortened focal length. This combination will substantially increase the depth of field of the goggle and also enable a design of smaller weight.

REFERENCES:
patent: 3737667 (1973-06-01), Babb et al.
patent: 4205894 (1980-06-01), Filipovich et al.
patent: 4323298 (1982-04-01), Brennan
patent: 4392710 (1983-07-01), Rogers
patent: 4826302 (1989-05-01), Afsenius
patent: 5229598 (1993-07-01), Filipovich
patent: 5416315 (1995-05-01), Filipovich
patent: 5455711 (1995-10-01), Palmer

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