optical density (Q1696): Difference between revisions
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Tdkiv-admin (talk | contribs) (Created claim: category (P3): Collection Preservation (Q3344), #quickstatements; #temporary_batch_1712426579592) |
Tdkiv-admin (talk | contribs) (Created claim: original Aleph identifier (P15): 000001693, #quickstatements; #temporary_batch_1719836854256) |
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| Property / original Aleph identifier | |||
000001693 | |||
| Property / original Aleph identifier: 000001693 / rank | |||
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Revision as of 12:57, 1 July 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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