File:Turquoise with quartz.jpg

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**Turquoise with Quartz**
Taken by Aram Dulyan ( User:Aramgutang)	Date:	22'FEB 2005
Blue massive turquoise in matrix with quartz from Mineral Park, Arizona, USA. Photograph taken at the Natural History Museum, London.	Camera:	Canon PowerShot A75
	ISO:	100
	Aperture:	F 3.5
	Shutter speed:	3/10 s

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Camera manufacturer	Canon
Camera model	Canon PowerShot A75
Exposure time	3/10 sec (0.3)
F-number	f/3.5
Date and time of data generation	16:28, 22 February 2005
Lens focal length	5.40625 mm
Orientation	Normal
Horizontal resolution	180 dpi
Vertical resolution	180 dpi
Software used	Adobe Photoshop 7.0
File change date and time	16:27, 9 June 2005
Y and C positioning	Centered
Exif version	2.2
Date and time of digitizing	16:28, 22 February 2005
Image compression mode	5
Shutter speed	1.75
APEX aperture	3.625
Exposure bias	0
Maximum land aperture	2.96875 APEX (f/2.8)
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression
Colour space	Uncalibrated
Focal plane X resolution	4,923.0769230769
Focal plane Y resolution	4,923.0769230769
Focal plane resolution unit	inches
Sensing method	One-chip colour area sensor
Custom image processing	Normal process
Exposure mode	Manual exposure
White balance	Manual white balance
Digital zoom ratio	1
Scene capture type	Standard

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