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Summary
Description | « Transformateur » de convertisseur Flyback 250 W à 50 kHz, dimensions : Ø 28 L 32, masse 90 gr. Utilisation : étage générateur de puissance constante de ballast pour lampe HMI. |
Date | 6 April 2008 |
Source | Own work |
Author | Daniel*D |
This image has currency in it to indicate scale. Avoid using objects such as coins for scale, as they will require people unfamiliar with them to look up the dimensions or guess, both of which defeat the purpose of the object in the first place. Coins are particularly bad as they can reinforce a geographical bias, and some coins' designs are copyrighted. Ideally, a photograph should include a ruler with the subject (as seen in this photo) or add a scale marking via an image editor instead (as seen in this photo). SI ("metric") units are the most commonly used worldwide (see metre, 1 E-2 m). Examples of bad practice: here. |
Common coin diameters for reference:
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Licensing
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GNU Free Documentation License
EXIF data: | |
File name | flyback_2589.jpg |
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Size, Mbytes | 1.203255859375 |
Mime type | image/jpeg |
Camera manufacturer | Canon |
Camera model | Canon PowerShot G5 |
Image resolution in width direction | 180 |
Image resolution in height direction | 180 |
Unit of X and Y resolution | 2 |
Exposure time | 1/250 sec (0.004) |
F number | f / 8 |
Compressed bits per pixel | 5 |
Exif version | 0220 |
Lens focal length | 28.8125 mm |
Date and time original image was generated | 2008:04:06 12:41:41 |
Date and time image was made digital data | 2008:04:06 12:41:41 |
Meaning of each component | |
Shutter speed | 7.96875 |
Aperture | 6 |
Exposure bias | -0.66666666666667 |
Maximum lens aperture | 3.15625 |
Metering mode | 5 |
User comments |