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Fluorescentfixturebelow20806.JPG (800 × 600 pixels, file size: 55 KB, MIME type: image/jpeg)
Summary
Looking upwards at a 2 ft fluorescent lamp, illustrating the beat effect problem (the different coloured horizontal bars of light) created when shooting photos or film under standard fluorescent lighting.
Licensing
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. |
Items portrayed in this file
depicts
copyright status
copyrighted, dedicated to the public domain by copyright holder
copyright license
released into the public domain by the copyright holder
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 11:08, 20 September 2006 | 800 × 600 (55 KB) | Ozguy89 | Looking upwards at a 2 ft fluorescent lamp, illustrating the ''beat effect'' problem created when shooting photos or film under standard fluorescent lighting. |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
Metadata
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
If the file has been modified from its original state, some details may not fully reflect the modified file.
Image title | Unknown |
---|---|
Camera manufacturer | Unknown |
Camera model | DigitalCam Pro |
Exposure time | 1/120 sec (0.0083333333333333) |
F-number | f/2.8 |
ISO speed rating | 75 |
Date and time of data generation | 18:54, 24 July 2002 |
Lens focal length | 7.4545454545455 mm |
JPEG file comment | |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
File change date and time | 18:54, 24 July 2002 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.1 |
Date and time of digitizing | 18:54, 24 July 2002 |
Meaning of each component |
|
Image compression mode | 2 |
Exposure bias | 0 |
Maximum land aperture | 1.5 APEX (f/1.68) |
Metering mode | Center weighted average |
Light source | Unknown |
Flash | Flash did not fire |
Supported Flashpix version | 1 |
Color space | sRGB |
File source | Digital still camera |
Scene type | A directly photographed image |
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