to an observer from atop a mountain or from the window of a commercial aircraft.
(3) However, oblique photos cannot be made to any scale, since the closer
to the camera the objects are, the larger scale they will be.
Figure 2-3.
High oblique
Figure 2-4.
Low oblique
c. Verticals.
(1) Vertical aerial photographs are made with the axis of the camera and
lens perpendicular to the earth, that is, with the lens pointed straight down at
the ground with the film parallel to the ground (fig 2-5).
(2) Vertical photos appear similar to a map and can be used to make
photo maps since they also have the capability of being made to scale.
Since they give a birds-eye view of all terrain and man-made features, an
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