A major disadvantage of oblique aerial photographs as compared to vertical air photographs is that ________.
A) the view is not familiar
B) they are more expensive
C) accurate measurement is more difficult
D) they are usually classified by the government
E) shadows make identification of Earth features impossible

Question

Quizplus · Accepted Answer

Accurate measurement is more difficult with oblique aerial photographs because the perspective is distorted by the angle at which the photo was taken. In contrast, vertical air photographs provide a more accurate representation of features on the ground because they are taken from directly above.

A Major Disadvantage of Oblique Aerial Photographs as Compared to Vertical