File:Computer-bases telephone traffic control system AUTRAX Elisa Telephone Museum.jpg

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Description	English: Computer-bases telephone traffic control system AUTRAX in Elisa Telephone Museum, Helsinki Suomi: Tietokoneohjattu puhelinliikenteen tarkkailujärjestelmä AUTRAX Elisan puhelinmuseossa
Date	19 November 2023, 12:50:31
Source	Own work
Author	Antti Leppänen

Source RAW file of the image is available from the author.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	13:31, 9 March 2024		3,076 × 4,636 (3.83 MB)	Antti T. Leppänen (talk \| contribs)	Uploaded own work with UploadWizard

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Metadata

This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

Camera manufacturer	NIKON CORPORATION
Camera model	NIKON D3100
Exposure time	1/60 sec (0.016666666666667)
F-number	f/4
ISO speed rating	400
Date and time of data generation	12:50, 19 November 2023
Lens focal length	26 mm
Copyright holder	Antti Leppänen
Credit/Provider	Antti Leppänen
Source	Antti Leppänen
Author	Antti Leppänen
Usage terms	This work is licensed under Creative Commons Attribution 4.0 International License
Width	3,076 px
Height	4,636 px
Bits per component	32 32 32
Compression scheme	Uncompressed
Orientation	Normal
Number of components	3
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Data arrangement	chunky format
Software used	RawTherapee 5.9
File change date and time	12:50, 19 November 2023
Exposure Program	Not defined
Date and time of digitizing	12:50, 19 November 2023
APEX exposure bias	0
Maximum land aperture	4 APEX (f/4)
Metering mode	Pattern
Light source	Unknown
Flash	Flash did not fire, compulsory flash suppression
DateTime subseconds	80
DateTimeOriginal subseconds	80
DateTimeDigitized subseconds	80
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	Auto exposure
White balance	Auto white balance
Digital zoom ratio	1
Focal length in 35 mm film	39 mm
Scene capture type	Standard
Scene control	Low gain up
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown
Image width	3,076 px
Image height	4,636 px
Source media	Antti Leppänen

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File:Computer-bases telephone traffic control system AUTRAX Elisa Telephone Museum.jpg

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