File:Led.jpg

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Led.jpg ‎(400 × 400 pixels, file size: 71 KB, MIME type: image/jpeg)

Summary

Blue LEDs in front of a white painted wall. Those use gallium nitride or indium gallium nitride as semiconductor.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	21:40, 11 December 2012		400 × 400 (71 KB)	MorganW (talk \| contribs)

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Image title	SONY DSC
Camera manufacturer	SONY
Camera model	DSLR-A390
Exposure time	1/20 sec (0.05)
F Number	f/3.5
ISO speed rating	100
Date and time of data generation	23:57, 17 July 2011
Lens focal length	18 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	GIMP 2.6.11
File change date and time	00:03, 18 July 2011
Y and C positioning	Co-sited
Exposure Program	Normal program
Exif version	2.21
Date and time of digitizing	23:57, 17 July 2011
Meaning of each component	Y Cb Cr does not exist
Image compression mode	8
APEX brightness	2.25
APEX exposure bias	−0.7
Maximum land aperture	3.61 APEX (f/3.49)
Metering mode	Pattern
Light source	Unknown
Flash	Flash did not fire, compulsory flash suppression
Supported Flashpix version	1
Color space	sRGB
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
Focal length in 35 mm film	27 mm
Scene capture type	Standard
Contrast	Normal
Saturation	Normal
Sharpness	Normal