AIIM MS26 35 mm Planetary Cameras (Top-Light) - Procedures for Determining Illumination Uniformity of Microfilming Engineering Drawings
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AIIM MS26 Document Information:
Title
35 mm Planetary Cameras (Top-Light) - Procedures for Determining Illumination Uniformity of Microfilming Engineering Drawings
AIIM International
Publication Date:
Jan 1, 1990
Scope:
This standard specifies the minimum test target elements and their
criteria to be used in determining the uniformity of illumination on the
copyboard of a 35 mm planetary camera. The layout of the test target
and the procedure to be followed in obtaining a uniform density of
microfilm images from a planetary camera are established to assist in
the achievement of high quality first-generation silver-gelatin
microfilm of engineering drawings.
This standard deals exclusively with top-light and does not address the
use of back-light. Sufficient need exists for a test target and
procedure for top-light filming to justify publication without waiting
for the development of a test target and procedure for back-light
filming.
The test target and procedure developed are designed to complement that
of the camera manufacturer.
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