File:Point San Luis Lighthouse Fresnel Lens.jpg
![File:Point San Luis Lighthouse Fresnel Lens.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/1/11/Point_San_Luis_Lighthouse_Fresnel_Lens.jpg/398px-Point_San_Luis_Lighthouse_Fresnel_Lens.jpg?20091208104111)
Original file (1,848 × 2,784 pixels, file size: 5.57 MB, MIME type: image/jpeg)
Captions
Captions
Summary
[edit]DescriptionPoint San Luis Lighthouse Fresnel Lens.jpg |
The fourth order Fresnel lens was decommissioned and removed from the lantern room in 1969 and replaced by an automated beacon. It is currently on display in the San Luis Obispo Library. It will eventually be brought back to the lighthouse and on display there as lighthouse restoration projects progress
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Date | |||
Source | Point San Luis Lighthouse Fresnel Lens | ||
Author | Anita Ritenour from Santa Maria, CA, USA |
Object location | 35° 09′ 42″ N, 120° 45′ 26″ W ![]() | View this and other nearby images on: OpenStreetMap | ![]() |
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Licensing
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![attribution](https://upload.wikimedia.org/wikipedia/commons/thumb/1/11/Cc-by_new_white.svg/24px-Cc-by_new_white.svg.png)
- 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.
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This image was originally posted to Flickr by puliarf at https://www.flickr.com/photos/11418908@N07/3967616219. It was reviewed on 8 December 2009 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
8 December 2009
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 10:41, 8 December 2009 | ![]() | 1,848 × 2,784 (5.57 MB) | JotaCartas (talk | contribs) | {{Information |Description=The fourth order Fresnel lens was decommissioned and removed from the lantern room in 1969 and replaced by an automated beacon. It is currently on display in the San Luis Obispo Library. It will eventually be brought back to t |
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File usage on Commons
The following page uses this file:
- File:Point San Luis Lighthouse Fresnel Lens (3967616219).jpg (file redirect)
File usage on other wikis
The following other wikis use this file:
- Usage on pt.wikipedia.org
Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D700 |
Copyright holder | Anita Ritenour |
Exposure time | 1/320 sec (0.003125) |
F-number | f/5.6 |
ISO speed rating | 6,400 |
Date and time of data generation | 17:55, 29 September 2009 |
Lens focal length | 50 mm |
Orientation | Normal |
Horizontal resolution | 240 dpi |
Vertical resolution | 240 dpi |
Software used | Adobe Photoshop Elements 6.0 Windows |
File change date and time | 22:30, 29 September 2009 |
Exposure Program | Manual |
Exif version | 2.21 |
Date and time of digitizing | 17:55, 29 September 2009 |
APEX shutter speed | 8.321928 |
APEX aperture | 4.970854 |
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Center weighted average |
Light source | Fine weather |
Flash | Flash did not fire |
DateTime subseconds | 24 |
DateTimeOriginal subseconds | 24 |
DateTimeDigitized subseconds | 24 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Manual white balance |
Digital zoom ratio | 1.53 |
Focal length in 35 mm film | 75 mm |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |