The optical sight unit aids the landing of an aircraft particularly when the landing area is short, such as on an aircraft carrier. The sight unit produces a single reference line focussed at infinity by incorporating a solid lens system employing a folded light path which passes through a beam splitter and unique Mangin mirror correction system to properly collimate the projected image.
Aircraft Landing Sight Including Collimating Mangin Mirror and Corrector Lens
1965
1 pages
Report
No indication
English
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