Focal_ratio.svg
Size of this PNG preview of this SVG file:
643 × 341 pixels
.
Other resolutions:
320 × 170 pixels
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640 × 339 pixels
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1,024 × 543 pixels
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1,280 × 679 pixels
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2,560 × 1,358 pixels
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Summary
| Description |
English:
Diagram of the
focal ratio
of a simple optical system where
is the
focal length
and
is the diameter of the
objective
.
|
| Date | 27 August 2007 (original upload date) |
| Source | Own work by the original uploader |
| Author | The original uploader was Vargklo at English Wikipedia . |
Licensing
|
This work is ineligible for copyright and therefore in the public domain because it consists entirely of information that is common property and contains no original authorship . |
Original upload log
Transferred from en.wikipedia to Commons by Rezonansowy using CommonsHelper .
The original description page was
here
. All following user names refer to en.wikipedia.
- 2007-08-27 21:22 Vargklo 643×341× (4462 bytes) SVG of Image:Focal ratio.png.