optical density (Q1696): Difference between revisions
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Tdkiv-admin (talk | contribs) (Created claim: original Aleph identifier (P15): 000001693, #quickstatements; #temporary_batch_1719836854256) |
Tdkiv-admin (talk | contribs) (Created claim: instance of (P16): concept (Q4397), #quickstatements; #temporary_batch_1725215640599) |
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Revision as of 19:46, 1 September 2024
No description defined
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | optical density |
No description defined |
Statements
Míra pro zčernání (resp. zbarvení) fotografické vrstvy. Je rovna dekadickému logaritmu převrácené hodnoty (tj. zápornému logaritmu) činitele prostupu ((tzv. prostupová hustota), popř. činitele jasu ((tzv. odrazná hustota). D = -log (, resp. D = -log (. Slouží jako kritérium pro posuzování kvality mikrofilmů.
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000001693
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