optical density (Q1696): Difference between revisions
Jump to navigation
Jump to search
Tdkiv-admin (talk | contribs) (Created claim: instance of (P16): concept (Q4397), #quickstatements; #temporary_batch_1725215640599) |
Tdkiv-admin (talk | contribs) (Added [cs] description: pojem, #quickstatements; #temporary_batch_1725267411902) |
||
| description / cs | description / cs | ||
pojem | |||
Revision as of 09:19, 2 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.
0 references
000001693
0 references