as improper handling, processing, or other lab or
evaluated should include D-min, D-max, density range,
and gross fog.
produce sensitometric measurements and standards.
This data should be used for comparison with the
mission film after processing.
maintenance feedback information to the
reconnaissance system maintenance crews. Since the
end results are a true measure of system performance,
this feedback will do the following:
performance, is one of the most complete measures of
system output. System defects noted during film
evaluation should be recorded on a film maintenance
each exposed film frame. While the space may differ
in width requirements, it should be present. Frame
spacing defects generally indicate that a system defect
exists, such as a fault in the film-advance mechanism.
for a mosaic.
cameras and panoramic cameras. If the overlap is not
met, the camera may be receiving an improper V/A
(velocity/altitude aboveground level) signal from the
system. In addition to improper overlap, this problem
can cause blurred images.
and flight direction, frame count, and so forth. In an
infrared reconnaissance set (IRRS), the data block is
usually recorded along the length of film periodically.
Discrepancies in the image of the data block are usually
caused by a malfunction within the sensor (camera or
negatively charged. This charged material seeks to
return to a neutral state by transferring electrons from
or to other objects. This transference can sometimes
cause heat and light.
processed film. These markings may have a spider web
or lightninglike appearance.
be identified by the presence of uneven illumination
streaks across the line of flight. This defect is caused
by the focal-plane shutter slit, varying in size, and an
erratic shutter curtain or erratic film transport through
the focal plane during the exposure cycle.
appear and disappear as the angle of light to the leak
Advanced Photography Course