WIDE-ANGLE ORTHOSCOPIC AEROPHOTOGRAPHIC OBJECTIVE,
FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
Pagination or Media Count:
A wide-angle orthoscopic aerophotographic objective is described which has the distinguishing feature that for the purpose of improving the relative opening with simultaneous aligning of the aerial film the inner positive lenses are separated from the glued-together components by air intervals, and behind the objective and its focal plane there is located a tightening glass.
- Cartography and Aerial Photography