File:Rainbow over Buda hills - 2013.12.09 (1).JPG
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DescriptionRainbow over Buda hills - 2013.12.09 (1).JPG |
English: Live on the 9th of December, 2013. Buda hills, Budapest, Hungary. Here we see a rainbow as photographed from Sashegy, elevation Nr.3. It had happened when the sun highlighted the foggy backround over Buda. Produced by sunlight shining through atmospheric ice crystals. If there is moisture in the air, sunlight may hit water droplets as it enters the atmosphere. When this happens, the light enters the water drop and becomes refracted, meaning that its course is slightly altered. The degree to which the course is altered depends on the light's wavelength. Since sunshine contains all the wavelengths (and, therefore, all colors), when it hits the water drop, each wavelength is refracted at a slightly different angle causing the colors to fan out slightly. The waves continue through the drop until they hit the far side where they are reflected. While refraction diverts the light, reflection bounces it back, sending it in the same general direction from which it came. The waves pass back through the front side of the droplet where they are refracted again, spreading the colors further before they pass back out into the sky.
Sources: http://www.mnn.com/local-reports/wyoming/local-blog/the-science-behind-a-double-rainbow ©© Derzsi Elekes Andor, Budapest, 2013, You are authorised to use these photos and vids under Creative Commons – even for commercial, for profit purposes. Photos must be attributed to Derzsi Elekes Andor. All of the photos and vids in the Metapolisz DVD line are under Creative Commons and can be used even for commercial – for profit – purposes. Recommended Citation Derzsi Elekes Andor: Metapolisz DVD line http://nektar.oszk.hu/en/manifestation/2623913 |
Date | Taken on 9 December 2013, 10:30:43 |
Source | Own work |
Author | Derzsi Elekes Andor |
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I, the copyright holder of this work, hereby publish it under the following license:
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current | 10:16, 9 December 2013 | 4,320 × 3,240 (5.2 MB) | Derzsi Elekes Andor (talk | contribs) | User created page with UploadWizard |
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Metadata
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Camera manufacturer | Panasonic |
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Camera model | DMC-FZ45 |
Exposure time | 1/400 sec (0.0025) |
F-number | f/5.6 |
ISO speed rating | 80 |
Date and time of data generation | 10:30, 9 December 2013 |
Lens focal length | 17.9 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Ver.1.0 |
File change date and time | 10:30, 9 December 2013 |
Y and C positioning | Co-sited |
Exposure Program | Landscape mode (for landscape photos with the background in focus) |
Exif version | 2.3 |
Date and time of digitizing | 10:30, 9 December 2013 |
Meaning of each component |
|
Image compression mode | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 0 |
Focal length in 35 mm film | 99 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |