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Field of View Testing
The oval-shaped hole in the mounting plate as well as the tilt of the camera allowed for an expanded field of view. This combination provided a larger area of land to be covered in the pictures taken by GEOCAM.
To obtain an average of 3 feet per pixel at a height of 100,000 feet
the camera needed to have an average tilt of 15°. The rotation servo
was set up to rotate the camera in a range of ± 5° to obtain
the maximum field of view. However, the rotation of the balloon was not
taken into account, and the rotation servo was removed. The camera was
then set at a set 15° tilt away from the center of the HASP payload.
This allowed for the same feet-per-pixel ratio and reduced the complexity
of GEOCAM.