File:Crookes tube two views.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	15:58, 7 May 2008		2,022 × 2,115 (512 KB)	Chetvorno	{{Information \|Description=Two photos of a Crookes tube; one by ordinary light and one showing it in operation lit by it's own fluorescence. Alterations to image: Cropped component images and combined into one image. \|Source=[[:Image:Schattenkreuzröhr

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Camera manufacturer	Canon
Camera model	Canon DIGITAL IXUS 850 IS
Exposure time	2/1 sec (2)
F Number	f/3.2
Date and time of data generation	14:41, 29 March 2007
Lens focal length	6.142 mm
Orientation	Normal
Horizontal resolution	180 dpi
Vertical resolution	180 dpi
File change date and time	14:41, 29 March 2007
Y and C positioning	Centered
Exif version	2.2
Date and time of digitizing	14:41, 29 March 2007
Image compression mode	5
APEX aperture	3.34375
APEX exposure bias	0
Maximum land aperture	3.34375 APEX (f/3.19)
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression
Color space	sRGB
Focal plane X resolution	9,102.2222222222
Focal plane Y resolution	9,088.7573964497
Focal plane resolution unit	inches
Sensing method	One-chip color area sensor
Custom image processing	Normal process
Exposure mode	Manual exposure
White balance	Auto white balance
Digital zoom ratio	1
Scene capture type	Standard