MarkTwainCave.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	16:16, 13 June 2011		3,200 × 2,280 (5.35 MB)	wikimediacommons>Jonathunder	{{Information \|Description ={{en\|1=The discovery entrance and the entrance built in 1890 to the Mark Twain Cave near Hannibal, Missouri {{GFDL-1.2}}}} \|Source ={{own}} \|Author =Jonathunder \|Date =2011-03-1

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Camera manufacturer	Canon
Camera model	Canon EOS DIGITAL REBEL XT
Exposure time	1/200 sec (0.005)
F Number	f/10
ISO speed rating	400
Date and time of data generation	14:59, 12 March 2011
Lens focal length	20 mm
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Picasa
File change date and time	14:59, 12 March 2011
Y and C positioning	Co-sited
Exposure Programme	Not defined
Exif version	2.21
Date and time of digitising	14:59, 12 March 2011
APEX shutter speed	7.6438598632812
APEX aperture	6.6438598632812
APEX exposure bias	0
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression
Colour space	sRGB
Focal plane X resolution	3,954.233409611
Focal plane Y resolution	3,958.7628865979
Focal plane resolution unit	inches
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Scene capture type	Standard
Unique image ID	1062d26bfbe9074d4e82c2b97b79e09a