MIL-PRF-49173B(CR)
6.3 Optical measurements for verification. Recommend application of MIL-STD-150 for
the conduct of all acceptance testing of the optical performance characteristics. The following
paragraphs of MIL-STD-150 may apply:
a.
Equivalent focal length (EFL). Use paragraph 4.5.1
b.
f/number. Use paragraph 4.5.2
c.
Relative Illumination (RI). Use paragraph 4.5.5
d.
Flange Focal Distance (FD). Use paragraph 4.5.6
e.
Field of View (FOV). Use paragraph 4.5.7
f.
Optical transmittance. Use paragraph 4.5.8
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