File:Chara1.jpg

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Summary[edit]

Summary
Description	Submerse meadow of stoneworts algae from the species Chara vulgaris in a shallow pond (in association with Persicaria amphibia).
Source	Wikimedia Commons
Author	Christian Fischer
Permission	See Commons

Creative Commons Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)

This file is licensed under the Creative Commons Attribution-ShareAlike 3.0 license.

Official license: CC BY-SA 3.0

Original attribution and file history: Wikimedia Commons

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	01:20, 2 June 2026		2,000 × 1,329 (2.21 MB)	Maintenance script (talk \| contribs)	== Summary == Importing file

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Camera manufacturer	PENTAX
Camera model	PENTAX K-7
Author	Christian Fischer
Copyright holder	See added licence
Exposure time	1/4 sec (0.25)
F Number	f/11
ISO speed rating	100
Date and time of data generation	19:18, 20 August 2011
Lens focal length	40 mm
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Adobe Photoshop Elements 9.0 Windows
File change date and time	23:43, 21 August 2011
Y and C positioning	Co-sited
Exposure Program	Aperture priority
Exif version	2.21
Date and time of digitizing	19:18, 20 August 2011
Meaning of each component	Y Cb Cr does not exist
APEX exposure bias	−0.7
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression
Supported Flashpix version	1
Color space	sRGB
Sensing method	One-chip color area sensor
File source	Digital still camera
Scene type	A directly photographed image
Custom image processing	Normal process
Exposure mode	Manual exposure
White balance	Auto white balance
Focal length in 35 mm film	60 mm
Scene capture type	Standard
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Close view
Supported Flashpix version	1
Image width	2,000 px
Image height	1,329 px
Date metadata was last modified	01:43, 22 August 2011
Unique ID of original document	xmp.did:B542008F3ECCE011AD62C065004C1774