The USAF Test Target was developed in for use with the U.S. Government specification Mil-Std-150. It is one of the most commonly used resolution targets. Each test target comes with a chart that specifies the line pairs per mm for each group and element. This target can be provided as chrome on glass or on a variety of photographic films or papers. It is available as black lines on white background or as white lines on black background.
Type Overall Size Groups Material
HiRes 10 x 10 cm -2 thru 9/3 Chrome on glass or white opal glass
4"g 10 x 10 cm -2 thru 7/6 Chrome on glass or white opal glass
4"p 10 x 10 cm -2 thru 4/4 Photographic paper
M 30 x 30 cm -4 thru 1/6 Photographic paper
XL 94 x 102 cm -6 thru 1/6 Photographic paper
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