THC Science

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Summary[edit]

Fruticose lichen covering pine branches near Blackpine Lake, Washington

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:58, 29 August 2007		2,112 × 2,816 (1.56 MB)	PWhittle (talk \| contribs)	Fruticose lichen covering pine branches near Blackpine Lake, Washington

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Camera manufacturer	Canon
Camera model	Canon PowerShot A540
Exposure time	1/20 sec (0.05)
F-number	f/4
Date and time of data generation	12:43, 25 August 2007
Lens focal length	13.74 mm
Horizontal resolution	180 dpi
Vertical resolution	180 dpi
File change date and time	12:43, 25 August 2007
Y and C positioning	Centered
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	1
Scene capture type	Portrait
Exif version	2.2
Date and time of digitizing	12:43, 25 August 2007
Image compression mode	3
Shutter speed	4.3125
APEX aperture	4
Exposure bias	0
Maximum land aperture	4 APEX (f/4)
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression, red-eye reduction mode
Color space	sRGB
Focal plane X resolution	12,497.041420118
Focal plane Y resolution	12,515.555555556
Focal plane resolution unit	inches
Sensing method	One-chip color area sensor