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

F - Mech Eng,Light,Heat,Weapons

41

F

F41F 3/045 (2006.01) F41G 1/36 (2006.01) F41G 7/30 (2006.01) G02B 13/14 (2006.01) G02B 23/14 (2006.01)

Patent

CA 2087469

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 chromatic aberration to enable image quality correction for both visual examination and near infrared tracking.

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