Information for "F-number"
Basic information
| Display title | f-number |
| Default sort key | F-number |
| Page length (in bytes) | 43,771 |
| Namespace ID | 0 |
| Page ID | 168244 |
| Page content language | en - English |
| Page content model | wikitext |
| Indexing by robots | Allowed |
| Number of page watchers | 401 |
| Number of page watchers who visited in the last 30 days | 12 |
| Number of redirects to this page | 37 |
| Counted as a content page | Yes |
| Wikidata item ID | Q862169 |
| Local description | Measure of lens speed |
| Central description | ratio of the focal length to the diameter of the entrance pupil |
| Page image |  |
| Page views in the past 30 days |
Page protection
| Edit | Allow all users (no expiry set) |
| Move | Allow all users (no expiry set) |
Edit history
| Page creator | Ericd (talk | contribs) |
| Date of page creation | 14:38, 12 January 2003 |
| Latest editor | MrOllie (talk | contribs) |
| Date of latest edit | 20:01, 3 July 2024 |
| Total number of edits | 1,527 |
| Recent number of edits (within past 30 days) | 10 |
| Recent number of distinct authors | 5 |
Page properties
Lint errors
| Background color inline style rule exists without a corresponding text color | 21 |