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B35_Zeiss_Triotar40mm.jpg (368 × 269 pixels, file size: 52 KB, MIME type: image/jpeg)
Summary
| Description |
English: The Carl Zeiss 40mm Triotar lens (on a Rollei B35) referred to in Jacobson's lens tutorial ([1]). The dots represent DOF limits for f/8 and f/16, accorind to the Rollei B35 manual; the dots indicate that the lens is focused at approximately the hyperfocal distance for f/16, about 13 feet. Jacobson's inferred circle of confusion diameter, using , was about 0.025 mm. |
| Date | 25 February 2006 (according to Exif data) |
| Source | The uploader on Wikimedia Commons received this from the author/copyright holder. |
| Author | David Jacobson |
| Permission (Reusing this file) |
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Licensing
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This work has been released into the public domain by its author, David Jacobson. This applies worldwide. In some countries this may not be legally possible; if so: David Jacobson grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
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Original upload log
The original description page was here. All following user names refer to en.wikipedia.
| Date/Time | Dimensions | User | Comment |
|---|---|---|---|
| 2006-02-26 04:50 | 368×269× (52904 bytes) | Dicklyon | Image shot today at my request by David Jacobson for use on the Zeiss formula wikipedia page, and released by him into the public domain. |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:09, 17 May 2016 | | 368 × 269 (52 KB) | Josve05a | Transferred from en.wikipedia |
File usage
The following 3 pages use this file:
Global file usage
The following other wikis use this file:
- Usage on ca.wikipedia.org
- Usage on fr.wikipedia.org
- Usage on ru.wikipedia.org
