oblique air photograph

An air photograph taken with the camera axis directed between the horizontal and vertical planes. Commonly referred to as an "oblique". a. High Oblique. One in which the apparent horizon appears, and b. Low Oblique. One in which the apparent horizon does not appear. 1/7/70

Photographie aérienne prise avec un appareil dont l'axe optique est dirigé entre l'horizontale et la verticale. On distingue: a. l'oblique haute: photo sur laquelle figure l'horizon apparent; b. l'oblique basse: photo sur laquelle l'horizon apparent ne figure pas. 1/7/70