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Example of the Fiducial Points of an Aerial Photograph





Fiducial points come in a variety of differing shapes and configurations, depending upon the make and model of the camera.  Some points are even marked by merely leaving a small "notch" pointing outward along the photo's edge.

Earlier model cameras only placed one fiducial marker in the center of each outer edge of a photo, but by 1980 many were also made to imprint them in the corners of each photo.  Because of this, many photos will have fiducials in both the outer centers and outer corners, as with the example photo above.

Most cameras older than about 1960 were not equipped to imprint fiducials on photos, and therefore show no fiducials at all.



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