SINE M-15-60 Sinusoidal Array
The reflective Sinusoidal Array SINE M-15-60 is similar to the M-13-60 (1X version) except that the range of spatial frequencies begins with 0.25 cycles per mm and extends to 20 cycles per mm. To compensate for the additional frequencies, the 3/16 cycles per mm area has been eliminated. Both arrays are imaged on Photo Paper
The outer two rows contain the gray scales and the numbers in the boxes in the diagram indicate their nominal density values. The two inner rows contain the sinusoidal areas and the numbers indicate the spatial frequencies in cycles per mm.
A digital microdensitometer scan is included with each pattern array. Modulation values are also given with compensation for the MTF of the microdensitometer.
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