File:Leonardo Da Vinci's "Telescope".jpg
From HandWiki
No higher resolution available.
Leonardo_Da_Vinci's_"Telescope".jpg (467 × 213 pixels, file size: 72 KB, MIME type: image/jpeg)
Summary
| Description | Drawing of Leonardo Da Vinci's purported telescope, along with his described lens, and focal lines. |
|---|---|
| Author or copyright owner |
Alessandro Bettini |
| Source (WP:NFCC#4) | https://opg.optica.org/directpdfaccess/1c7818c5-56ec-4ce7-ac532294b5b98343_468878/opn-33-2-30.pdf |
| Date of publication | February 2022 |
| Use in article (WP:NFCC#7) | History of the telescope |
| Purpose of use in article (WP:NFCC#8) | Illustrates the purported telescope designed by Leonardo Da Vinci. |
| Not replaceable with free media because (WP:NFCC#1) |
The software or website from which the screenshot is taken is copyrighted and not released under a free license, so creation of a free image is not possible. |
| Not replaceable with textual coverage because (WP:NFCC#1) |
Is a discussion of the optics Da Vinci's purported telescope, which is impossible without an illustration. Try writing a book on optics with no illustrations. |
| Minimal use (WP:NFCC#3) | A single graphic (not even the whole graphic, there's a second part) |
| Respect for commercial opportunities (WP:NFCC#2) |
The use of a low resolution screenshot from software or a website will not impact the commercial viability of the software or site. |
| Other information | It's uncertain whether Bettini even could claim copyright on this, as it's Da Vinci's drawing, and he just drew a lens and focal lines on it. |
| Fair useFair use of copyrighted material in the context of History of the telescope//en.wikipedia.org/wiki/File:Leonardo_Da_Vinci%27s_%22Telescope%22.jpgtrue | |
Licensing
 | This work is copyrighted (or assumed to be copyrighted) and unlicensed. It does not fall into one of the blanket acceptable non-free content categories listed at Wikipedia:Non-free content § Images or Wikipedia:Non-free content § Audio clips, and it is not covered by a more specific non-free content license listed at Category:Wikipedia non-free file copyright templates. However, it is believed that the use of this work:
qualifies as fair use under United States copyright law. Any other uses of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Non-free content and Wikipedia:Copyrights. | ||
| |||
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:24, 31 July 2023 | | 467 × 213 (72 KB) | imagesenwiki>DatBot | Reduce size of non-free image (BOT - disable) |
File usage
The following page uses this file:
