File:Purkinje effect.png
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Size of this preview: 300 × 600 pixels. Other resolutions: 120 × 240 pixels | 600 × 1,200 pixels.
Original file (600 × 1,200 pixels, file size: 897 KB, MIME type: image/png)
File information
Structured data
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Summary
[edit]DescriptionPurkinje effect.png |
English: A simulation of the Purkinje effect on a red flower of a zonal geranium (Pelargonium × hortorum) and background foliage. From top to bottom, these three versions of the same photograph compare what colors the human eye could perceive under photopic, mesopic, and scotopic conditions. |
Date | |
Source | Own work based on: Red geranium 3.jpeg: by Collard |
Author | Twinsday |
Permission (Reusing this file) |
The original image is in the public domain. |
Other versions |
This file was derived from: Red geranium 3.jpeg: |
Licensing
[edit]Public domainPublic domainfalsefalse |
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:35, 17 September 2020 | 600 × 1,200 (897 KB) | Twinsday (talk | contribs) | == {{int:filedesc}} == {{Information |description = {{en|1=A simulation of the w:Purkinje effect on a red flower of a zonal geranium (''Pelargonium'' × ''hortorum''). From top to bottom, these three versions of the same photograph compare what colors the w:human eye could perceive under photopic, mesopic, and scotopic conditions.}} |date = 2020-08-12 |source... |
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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 | Canon |
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Camera model | Canon EOS D30 |
Exposure time | 1/250 sec (0.004) |
F-number | f/0 |
Lens focal length | 50 mm |
ISO speed rating | 100 |
Date and time of data generation | 15:09, 20 September 2008 |
Serial number of camera | 355861336 |
Width | 2,160 px |
Height | 1,440 px |
Pixel composition | RGB |
Number of components | 3 |
Y and C positioning | Centered |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Exif version | 2.1 |
Supported Flashpix version | 1 |
Color space | sRGB |
Image compression mode | 3 |
Image width | 2,160 px |
Image height | 1,440 px |
APEX shutter speed | 7.9657897949219 |
APEX aperture | −2,147.483648 |
APEX exposure bias | 0 |
Maximum land aperture | 2147483648 |
Subject distance | 0 meters |
Metering mode | Pattern |
Focal plane X resolution | 2,421.5246636771 |
Focal plane Y resolution | 2,420.1680672269 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Bits per component |
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Flash | Flash did not fire |
File change date and time | 18:24, 30 October 2019 |
Date and time of digitizing | 15:09, 20 September 2008 |
Date metadata was last modified | 18:24, 30 October 2019 |
Unique ID of original document | 0701473115C22E173F5CA143F942D5DF |