File:Oak galls and iron(II) sulfate - California State Archives.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	06:02, 27 January 2007		1,920 × 2,286 (271 KB)	Coelacan~commonswiki	{{Information \|Description=Two oak galls in a beaker and a jar of iron(II) sulfate, ingredients of iron gall ink. The papers on the table are instructions for making the ink. Photograph taken at the California State Archives, 1020 "O" Street, Sacramento,

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Camera manufacturer	Panasonic
Camera model	DMC-FZ20
Exposure time	1/50 sec (0.02)
F Number	f/2.8
ISO speed rating	200
Date and time of data generation	13:13, 14 October 2006
Lens focal length	12.1 mm
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Ver1.0
File change date and time	13:13, 14 October 2006
Y and C positioning	Co-sited
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	0
Focal length in 35 mm film	73 mm
Scene capture type	Standard
Contrast	Normal
Saturation	Normal
Sharpness	Hard
Exposure Program	Normal program
Exif version	2.2
Date and time of digitizing	13:13, 14 October 2006
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
Color space	sRGB
Sensing method	One-chip color area sensor