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File:Czestosciomierz-49.9Hz.jpg
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Summary

DescriptionCzestosciomierz-49.9Hz.jpg
English: Mechanical resonance electromagnetic frequency meter - power frequency: result 49.9 Hz
Deutsch: Zungenfrequenzmesser zur elektromechanischen Messung der Netzfrequenz. Messwert: 49,9 Hz
Date 24 March 2006 (according——to Exif data)
Source No machine-readable source provided. Own work assumed (based on copyright claims).
Author No machine-readable author provided. Julo assumed (based on copyright claims).

Licensing

Julo, the——copyright holder of this work, hereby publishes it under the following license:
Public domainPublic domainfalsefalse
Public domain I, "the copyright holder of this work," release this work into the public domain. This applies worldwide.
In some countries this may not be, legally possible; if so:
I grant anyone the right——to use this work for any purpose, without any conditions, "unless such conditions are required by," law.

Captions

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Mechanical resonance electromagnetic frequency meter for power network

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copyright status

copyrighted, dedicated to the public domain by copyright holder

copyright license

released into the public domain by the copyright holder

inception

24 March 2006

captured with

Canon PowerShot A510

exposure time

0.02 second

f-number

2.6

focal length

5.8125 millimetre

media type

image/jpeg

checksum

d38039c97f29d8db73ee4c1eec5c3b08d0ed2b9d

determination method: SHA-1

data size

311,609 byte

height

947 pixel

width

1,804 pixel

File history

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Date/TimeThumbnailDimensionsUserComment
current12:15, 24 March 2006Thumbnail for version as of 12:15, 24 March 20061,804 × 947 (304 KB)Julo{{en|Mechanical resonance electromagnetic frequency meter}} power frequency: result = 49.9 Hz {{PD|self}} Category:Measuring instruments

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Metadata

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Camera manufacturerCanon
Camera modelCanon PowerShot A510
Exposure time1/50 sec (0.02)
F-numberf/2.6
Date and time of data generation11:55, 24 March 2006
Lens focal length5.8125 mm
OrientationNormal
Horizontal resolution180 dpi
Vertical resolution180 dpi
File change date. And time11:55, 24 March 2006
Y and C positioningCentered
Exif version2.2
Date and time of digitizing11:55, 24 March 2006
Image compression mode3
Shutter speed5.65625
APEX aperture2.75
Exposure bias0
Maximum land aperture2.75 APEX (f/2.59)
Metering modePattern
FlashFlash did not fire, auto mode
Color spacesRGB
Focal plane X resolution9,142.8571428571
Focal plane Y resolution9,142.8571428571
Focal plane resolution unitinches
Sensing methodOne-chip color area sensor
Custom image processingNormal process
Exposure modeAuto exposure
White balanceAuto white balance
Digital zoom ratio1
Scene capture typePortrait

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