Optical system for a sighting device

Details Optical system for a sighting device Optical system for a sighting device

1984-05-02

1986-02-25

Punter, William H.

350540, 350569, G02B 2304, G02B 2308

Patent

active

045726256

ABSTRACT:
An optical system for a periscope-like sighting device is proposed for the localization, tracking and measurement of a target and comprises a plurality of optical elements as well as a laser range-finder essentially comprising transmitter and receiver portions. In this optical system, the visible and invisible radiation mutually parallelly incident upon a main mirror rotatable about a first axis and pivotable about a second axis is reflected to a first deflection prism. The first deflection prism deflects the radiation at substantially right angles through an objective lens to a first beam-splitter. The first beam-splitter deflects the invisible laser radiation to the receiver portion and transmits the visible radiation to a second beam-splitter and thence to a second deflection prism and an ocular. For achieving a view of the field of observation or a tracking of the target, or both, a television camera can be arranged on the side of the housing of the sighting device.

REFERENCES:
patent: 3761714 (1973-09-01), Fernandez et al.
patent: 4386848 (1983-06-01), Clendenin et al.

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