File:Telescope making focal length.png
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Size of this preview: 800 × 289 pixels. Other resolutions: 320 × 116 pixels | 941 × 340 pixels.
Original file (941 × 340 pixels, file size: 4 KB, MIME type: image/png)
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This file was moved to Wikimedia Commons from en.wikibooks using a bot script. All source information is still present. It requires review. Additionally, there may be errors in any or all of the information fields; information on this file should not be considered reliable and the file should not be used until it has been reviewed and any needed corrections have been made. Once the review has been completed, this template should be removed. For details about this file, see below. Check now! |
Summary
| Description |
English: Diagram showing definition of "focal length" for a lens or a mirror. I created this diagram using Photoshop. |
| Date | 31 August 2009 (original upload date) |
| Source | Transferred from en.wikibooks to Commons. |
| Author | Fernly at English Wikibooks |
Licensing
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This work has been released into the public domain by its author, Fernly, at the English Wikipedia project. This applies worldwide. In case this is not legally possible: |
Original upload log
The original description page was here. All following user names refer to en.wikibooks.
| Date/Time | Dimensions | User | Comment |
|---|---|---|---|
| 2009-08-31 22:39 | 941×340× (3595 bytes) | Fernly | Diagram showing definition of "focal length" for a lens or a mirror. I created this diagram using Photoshop. |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:41, 19 August 2017 | | 941 × 340 (4 KB) | JackPotte | {{BotMoveToCommons|en.wikibooks|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} == {{int:filedesc}} == {{Information |Description={{en|Diagram showing definition of "focal length" for a lens or a mirror. I created... |
File usage
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