Infrared zoom telescope with decentered dome

Details Infrared zoom telescope with decentered dome Infrared zoom telescope with decentered dome

1986-04-23

1987-11-10

Corbin, John K.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244 31, 250338, 350571, 356 4, G02B 1314

Patent

active

047053437

ABSTRACT:
A protective dome (14) is provided for a zoom telescope (12) which is located therein. Telescope (12) can be used as an attachment to a prime imaging system (22) such as a FLIR (forward looking infrared). The dome (14) is mounted so that its center of curvature (16) is inboard of the outer skin (18) of the aircraft in order to reduce aerodynamic drag. The objective lens (24) of the telescope (12) is decentered with respect to a common axis (29) and the lenses of the zoom lens group (26) are tilted with respect to the common axis (29) to compensate for aberrations introduced by the decentered dome (14).

REFERENCES:
patent: 4354419 (1982-10-01), Patterson
patent: 4504110 (1985-03-01), Pittenger

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