File: 399px-Alcatraz aerial.jpg - New World Encyclopedia

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:12, 14 October 2007		399 × 598 (71 KB)	Christopher Laws (talk \| contribs)	Bird's Eye view of Alcatraz in San Francisco Bay.

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Camera manufacturer	Canon
Camera model	Canon EOS 20D
Exposure time	1/250 sec (0.004)
F Number	f/5
ISO speed rating	200
Date and time of data generation	17:37, 17 September 2005
Lens focal length	70 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Adobe Photoshop CS Windows
File change date and time	04:05, 18 September 2005
Y and C positioning	Co-sited
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Scene capture type	Standard
Exposure Program	Aperture priority
Exif version	2.21
Date and time of digitizing	17:37, 17 September 2005
APEX shutter speed	7.9657897949219
APEX aperture	4.6438598632812
APEX exposure bias	0.33333333333333
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression
Color space	sRGB
Focal plane X resolution	3,959.3220338983
Focal plane Y resolution	3,959.3220338983
Focal plane resolution unit	inches