Watford Railway Tunnel - geograph.org.uk - 1761031.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	22:16, 11 March 2011		2,560 × 1,920 (1.4 MB)	wikimediacommons>GeographBot	== {{int:filedesc}} == {{Information \|description={{en\|1=Watford Railway Tunnel A train is passing through the NW entrance of the Watford Tunnel on the Fast Up Line, heading for London Euston. Photograph was taken from the Gypsy Lane Bridge on 18 March 20

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Camera manufacturer	Panasonic
Camera model	DMC-FZ5
Exposure time	1/200 sec (0.005)
F Number	f/4
ISO speed rating	80
Date and time of data generation	12:18, 18 March 2010
Lens focal length	72 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Adobe Photoshop Elements 5.0 (20060914.r.77) Windows
File change date and time	17:58, 18 March 2010
Y and C positioning	Co-sited
Exposure Programme	Normal programme
Exif version	2.2
Date and time of digitising	12:18, 18 March 2010
Image compression mode	4
APEX exposure bias	0
Maximum land aperture	3 APEX (f/2.83)
Metering mode	Pattern
Light source	Unknown
Flash	Flash did not fire, compulsory flash suppression
Colour space	sRGB
Sensing method	One-chip colour area sensor
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	0
Focal length in 35 mm film	432 mm
Scene capture type	Standard
Contrast	Normal
Saturation	Normal
Sharpness	Normal