What is the IFOV for a collimating lens of diameter 100mm, the distance between the collimating lens and combiner glass=50mm, the distance between pilot eyes and combiner glass=400mm?
(a) 25.0°
(b) 12.6°
(c) 28.0°
(d) 14.2°
The question was asked during an interview.
The query is from Head Up Displays in chapter Displays and Man-Machine Interaction of Avionics