f-number
ratio of the focal length to the diameter of the entrance pupil
| rdfs:label |
"f-number"@en
|
|
skos:alt |
"f-ratio"@en
"f-stop"@en
"focal ratio"@en
"relative aperature"@en
"ƒ-number"@en
"ƒ/"@en
|
| schema:description |
"ratio of the focal length to the diameter of the entrance pupil"@en
|
|
schema:date |
"2026-07-10T14:01:15+00:00"^^xsd:dateTime |
| schema:version | 2515885983 |
| wikibase:identifiers | 7 |
| wikibase:sitelinks | 36 |
| wikibase:statements | 22 |
| p:P10565 | wd:statement/Q862169-E1445A47-B950-48EE-B08F-0C24674AC375 |
| p:P1269 | wd:statement/Q862169-73122ba7-461d-1d7d-7ce6-1620be39f581 |
| p:P14541 | wd:statement/Q862169-F341FE7F-E3D7-4249-9306-08727689F0C3 |
| p:P1687 | wd:statement/Q862169-7fdbca9d-4534-cd7e-6d73-d1b963678c53 |
| p:P18 | wd:statement/Q862169-608f9696-4ac8-1789-313c-24740f90b484 |
| p:P2534 | wd:statement/Q862169-d26c94f1-4aed-a937-5e77-bf1e4b2e9977 |
| p:P279 | wd:statement/Q862169-3dcc21e4-4e69-7342-9498-3e8fb4715e95 |
| wd:statement/Q862169-7156ecb3-49a0-53ea-4295-bd04aca9c29c | |
| p:P2924 | wd:statement/Q862169-16D9F029-07BB-4074-9A2C-DA407497A750 |
| p:P373 | wd:statement/Q862169-1ba6d60b-44fd-9d32-0be5-70a4136a0422 |
| p:P4020 | wd:statement/Q862169-2e3d483f-4d63-bc84-1e9e-ca7f8b8c7523 |
| p:P5061 | wd:statement/Q862169-b74c3ed4-47ed-64f1-8162-e7f76e89d91a |
| p:P6104 | wd:statement/Q862169-1EB58AFF-F311-4924-B817-D94C47540A29 |
| p:P6366 | wd:statement/Q862169-ED9ABC70-7031-4240-8E18-1693F8B7CAA2 |
| p:P646 | wd:statement/Q862169-EB46F240-F309-4C79-8A1E-DC48A664C0EA |
| p:P7235 | wd:statement/Q862169-6af541a5-452e-52ec-0660-0ebc14408083 |
| wd:statement/Q862169-b48de5c6-4c72-d687-89b8-a7c83d1b6574 | |
| wd:statement/Q862169-ce1415dc-4797-7540-152f-14d82247cfc0 | |
| p:P7973 | wd:statement/Q862169-c4b74841-4878-2286-5715-18d5b340abd3 |
| wd:statement/Q862169-e9764a31-4ef5-665b-0351-49fdc2196d26 | |
| p:P8814 | wd:statement/Q862169-79359B6C-7708-49C8-AC4F-71016BBF159E |
| p:P8834 | wd:statement/Q862169-0e05c166-4679-1a47-e620-2de883680f21 |
|
p:direct- |
<https:/ |
|
p:direct- |
<http:/ |
| wdt:P10565 | "531790" |
| wdt:P1269 | exposure |
| wdt:P14541 | "3qYJhP" |
| wdt:P1687 | f-number |
| wdt:P18 |
<http:/ |
| wdt:P2534 | "<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mi>N</mi><mo stretchy="false">=</mo><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mi>f</mi></mrow><mrow data-mjx-texclass="ORD"><mi>D</mi></mrow></mfrac></mrow></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML |
| wdt:P279 | ratio of lengths |
| dimensionless quantity | |
| wdt:P2924 | "2698063" |
| wdt:P373 | "F-number" |
| wdt:P4020 | "<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mn>1</mn></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML |
| wdt:P5061 | "''f''"@ca |
| wdt:P6104 | WikiProject Mathematics |
| wdt:P6366 | "154614335" |
| wdt:P646 | "/m/016hsk" |
| wdt:P7235 | "<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mi>D</mi></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML |
| "<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mi>N</mi></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML | |
| "<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mi>f</mi></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML | |
| wdt:P7973 | "<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mi>N</mi></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML |
| "<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mi>k</mi></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML | |
| wdt:P8814 | "13843620-n" |
| wdt:P8834 | "focalRatio" |
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