File:lasers.jpeg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	12:00, 15 March 2014		3,264 × 2,448 (3.24 MB)	彭家杰	* Green Laser: wavelength 520nm * Blue Laser: wavelength 445nm * Red Laser: wavelength 635nm Category:Lasers Category:Laser pointers Category:Laser beams Category:Diode lasers Category:Q-line laser

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Camera manufacturer	Apple
Camera model	iPhone 5s
Exposure time	1/15 sec (0.066666666666667)
F Number	f/2.2
ISO speed rating	1,250
Date and time of data generation	01:23, 6 March 2014
Lens focal length	4.12 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	7.0.4
File change date and time	01:23, 6 March 2014
Y and C positioning	Centered
Exposure Program	Normal program
Exif version	2.21
Date and time of digitizing	01:23, 6 March 2014
Meaning of each component	Y Cb Cr does not exist
APEX shutter speed	3.9070996978852
APEX aperture	2.2750071245369
APEX brightness	−3.1117554032683
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression
DateTimeOriginal subseconds	858
DateTimeDigitized subseconds	858
Supported Flashpix version	1
Color space	sRGB
Sensing method	One-chip color area sensor
Scene type	A directly photographed image
Custom image processing	Original (for HDR)
Exposure mode	Auto exposure
White balance	Auto white balance
Focal length in 35 mm film	30 mm
Scene capture type	Standard