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English: Interior of a grand piano Intended to illustrate the concept of duplex scaling in pianos by showing the duplex string lengths in the treble range of a grand piano.
Français : Intérieur d'un piano à queue montrant le concept d'"échelle duplex", de petits sillets situés entre le chevalet la pointe d'accroche, et créant une harmonique supplémentaire pour enrichir les sons aigus.
Date 2004-05-03 (see metadata)
Source English Wikipedia
Author Opus33
(Reusing this file)

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English: Interior of a grand piano
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EXIF data:
File name duplexscaling.jpg
Size, Mbytes 0.42969140625
Mime type image/jpeg
Camera manufacturer NIKON
Camera model E2100
Orientation of image 1
Image resolution in width direction 300
Image resolution in height direction 300
Unit of X and Y resolution 2
Exposure time 10/35 sec (0.285714285714)
F number f / 3.5
Exposure program 2
ISO speed rating 217
Compressed bits per pixel 2
Exif version 0220
Lens focal length 8.6 mm
Date and time original image was generated 2004:03:05 02:20:51
Date and time image was made digital data 2004:03:05 02:20:51
Meaning of each component 
Exposure bias 0
Maximum lens aperture 3
Metering mode 5
User comments
Supported Flashpix version 0100
Color space information 1
Exif image width 1600
Exif image length 1200
InteroperabilityOffset 1026
Scene type 
Digital zoom ratio 0
Focal length in 35 mm film 66 mm
Gain control 1
Interoperability index R98
Interoperability version 0100
Software used E2100v1.1
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