DescriptionSwansea Canal Aqueduct at Ystalyfera - geograph.org.uk - 45095.jpg
English: Swansea Canal Aqueduct at Ystalyfera. The Ystalyfera aqueduct is reputed to be the first built with waterproof mortar. The canal has been turned into a cycletrack in Ystalyfera. The structure was recently renovated at great expense.
The Swansea Canal was constructed by the Swansea Canal Navigation Company between 1794 and 1798, measuring some 16 miles long and running from Swansea to Hen Neuadd Abercraf.
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== {{int:filedesc}} == {{Information |description={{en|1=Swansea Canal Aqueduct at Ystalyfera. The Ystalyfera aqueduct is reputed to be the first built with waterproof mortar. The canal has been turned into a cycletrack in Ystalyfera. The structure was
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Image title
4.0M DigitalCAM
Camera manufacturer
VQ
Camera model
4.0M DigitalCAM
Exposure time
1/38 sec (0.026315789473684)
F Number
f/2.9
ISO speed rating
70
Date and time of data generation
14:11, 10 December 2004
Lens focal length
5.8 mm
Orientation
Normal
Horizontal resolution
72 dpi
Vertical resolution
72 dpi
Software used
Ver 00.45
File change date and time
14:11, 10 December 2004
Y and C positioning
Co-sited
Exposure Program
Normal program
Exif version
2.2
Date and time of digitizing
14:11, 10 December 2004
Image compression mode
3.6300708333333
APEX brightness
4.439
APEX exposure bias
0
Maximum land aperture
3.169 APEX (f/3)
Metering mode
Pattern
Light source
Unknown
Flash
Flash did not fire, strobe return light detected, auto mode, red-eye reduction mode