File:Preston Brook Air Shaft South.jpg : Soft.lk - A Premium Software Developers - Meet one of the most powerful and intuitive POS systems for retail in Sri Lanka

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	16:41, 21 April 2007		1,944 × 2,592 (1.05 MB)	Peter I. Vardy	{{Information \|Description=South air shaft, Preston Brook Tunnel, Cheshire, ventilating the Trent and Mersey canal \|Source=self-made \|Date=20 April 2007 \|Author= MyName (Peter I. Vardy) \|other_versions= }} Category:Cheshire

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Camera manufacturer	Canon
Camera model	Canon PowerShot S50
Exposure time	1/400 sec (0.0025)
F-number	f/2.8
Date and time of data generation	10:51, 20 April 2007
Lens focal length	7.09375 mm
Orientation	Normal
Horizontal resolution	180 dpi
Vertical resolution	180 dpi
Software used	Adobe Photoshop Elements 2.0
File change date and time	14:18, 20 April 2007
Y and C positioning	Centered
Exif version	2.2
Date and time of digitizing	10:51, 20 April 2007
Image compression mode	3
Shutter speed	8.65625
APEX aperture	2.96875
Exposure bias	0
Maximum land aperture	2.96875 APEX (f/2.8)
Metering mode	Pattern
Flash	Flash did not fire, auto mode
Color space	sRGB
Focal plane X resolution	9,159.0106007067
Focal plane Y resolution	9,169.8113207547
Focal plane resolution unit	inches
Sensing method	One-chip color area sensor
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	1
Scene capture type	Standard