Difference between revisions of "Optical Density"
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Latest revision as of 12:10, 3 February 2024
2-1-200
The logarithm to base ten of the reciprocal of the transmittance.
Symbol: D D = -log10T
Reference: C.I.E.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
