File:NPL Colour Lee Campbell.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	17:52, 23 March 2009		366 × 199 (68 KB)	JMiall	{{Information \|Description={{en\|1=Low resolution copy of image of the front entrance of the National Physical Laboratory in Teddington drawn by Twickenham artist Lee Campbell.}} \|Source=provided by Lee Campbell \|Author=Lee Campbell (www.leecampbell.co.uk)

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Camera manufacturer	Panasonic
Camera model	DMC-LZ7
Exposure time	1/13 sec (0.076923076923077)
F-number	f/3.2
ISO speed rating	200
Date and time of data generation	10:23, 26 January 2009
Lens focal length	11.4 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	QuickTime 7.5
File change date and time	16:23, 23 March 2009
Y and C positioning	Co-sited
Exposure Program	Normal program
Exif version	2.2
Date and time of digitizing	10:23, 26 January 2009
Image compression mode	4
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
Color space	sRGB
Sensing method	One-chip color 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	69 mm
Scene capture type	Standard
Contrast	Normal
Saturation	Normal
Sharpness	Normal