File:Rudolph US444714A (Protar, 1890).svg
.svg){kind=small}
Size of this PNG preview of this SVG file: 270 × 200 pixels. Other resolutions: 320 × 237 pixels | 640 × 474 pixels | 1,024 × 759 pixels | 1,280 × 948 pixels | 2,560 × 1,896 pixels.
Original file (SVG file, nominally 270 × 200 pixels, file size: 2 KB)
 | This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
| Description |
English: Protar (formerly Anastigmat) lens diagram designed by Paul Rudolph for Carl Zeiss in 1890. Redrawn from geometry listed in US Pat 444,714 for Figure 2. |
| Date | |
| Source | Own work |
| Author | Mliu92 |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:15, 17 May 2023 | | 270 × 200 (2 KB) | Mliu92 | Uploaded own work with UploadWizard |
File usage
The following page uses this file:
.svg){kind=link}