Binocular including focus and diopter adjustment of different le

Details Binocular including focus and diopter adjustment of different le Binocular including focus and diopter adjustment of different le

1998-12-18

2000-01-11

Henry, Jon

Optical: systems and elements

Compound lens system

Telescope

359426, G02B 2318

Patent

active

060142537

ABSTRACT:
A binocular includes two telescope systems. Each telescope system includes an objective system, an erecting system, and an eyepiece system. The binocular also includes a focus adjusting actuator and a focus adjusting knob, as well as a diopter correction actuator and a diopter correction knob. A guide member guides the focus adjusting actuator and the diopter correction actuator to be aligned along an optical axis of one of the telescope systems.

REFERENCES:
patent: 535862 (1895-03-01), Sawyer
patent: 3244072 (1966-04-01), Dowling et al.
patent: 4013340 (1977-03-01), Mukai et al.
patent: 4205894 (1980-06-01), Filipovich et al.
patent: 5305141 (1994-04-01), Hotta
patent: 5572361 (1996-11-01), Kamiya et al.
patent: 5581399 (1996-12-01), Abe
patent: 5640271 (1997-06-01), Nishitani et al.
Nikkei Mechanical No. 462, pp. 72-77, issued on Sep. 4, 1995, together with an English translation.
Minolta "Flat Binoculars", Leaflet, dated May 1995, together with an English translation.

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