Objective lens assembly for a portable missile launcher

Details Objective lens assembly for a portable missile launcher Objective lens assembly for a portable missile launcher

1992-03-23

1993-03-16

Lerner, Martin

Optical: systems and elements

Having significant infrared or ultraviolet property

Including alternative optical path or optical element

359356, 359833, G02B 1314, G02B 2304

Patent

active

051949865

ABSTRACT:
A portable missile launcher has an optical system with a single lens (22) for receiving visible and near infrared light energy from a target (14) directing it to a prism (24) where the light is split into a part transmitted to an eyepiece (28) and a further part (30) to infrared tracking equipment (18). The objective lens (22) is a doublet having a front lens (32) and a rear lens (41) which cooperate to provide sufficiently small chormatic aberration to enable image quality correction for both visual examination and near infrared tracking.

REFERENCES:
patent: 3464757 (1969-09-01), Schmidt et al.
patent: 3529882 (1970-09-01), Schmidt
patent: 4038547 (1977-07-01), Hoesterey
patent: 4909614 (1990-03-01), Itoh et al.
patent: 5084780 (1992-01-01), Phillips

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