Railway tunnel air shaft - geograph.org.uk - 4381506.jpg

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Summary

Description	English: Railway tunnel air shaft
Depicts InfoField	path, suburb, long-distance cycling route, Calderdale, Sowerby Tunnel
Date	10 March 2015
Source	Geograph Britain and Ireland
Author	Humphrey Bolton
Location of creation InfoField	Calderdale (Calderdale→West Yorkshire→Yorkshire and the Humber→England→United Kingdom)

Camera location	53° 42′ 30.1″ N, 1° 55′ 13″ W	View this and other nearby images on: OpenStreetMap	53.708349; -1.920276

Object location	53° 42′ 31″ N, 1° 55′ 12″ W	View this and other nearby images on: OpenStreetMap	53.708619; -1.920124

Licensing

This image was taken from the Geograph GB & Eire project collection. See this photograph's page on the Geograph website for the photographer's contact details. The copyright on this image is owned by Humphrey Bolton , and is licensed for reuse under the Creative Commons Attribution Share-Alike 2.0 license.

This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic licence.

Attribution:

Railway tunnel air shaft by Humphrey Bolton

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File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	18:52, 5 February 2023		2,000 × 1,500 (899 KB)	wikimediacommons>GeographBot	Uploading geograph.org.uk image from https://www.geograph.org.uk/photo/4381506

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Metadata

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Camera manufacturer	Panasonic
Camera model	DMC-TZ3
Exposure time	1/800 sec (0.00125)
F Number	f/3.3
ISO speed rating	100
Date and time of data generation	12:05, 10 March 2015
Lens focal length	4.6 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Ver.1.0
File change date and time	12:05, 10 March 2015
Y and C positioning	Co-sited
Exposure Program	Normal program
Exif version	2.21
Date and time of digitising	12:05, 10 March 2015
Meaning of each component	Y Cb Cr does not exist
Image compression mode	4
APEX exposure bias	0
Maximum land aperture	3.44 APEX (f/3.29)
Metering mode	Pattern
Light source	Unknown
Flash	Flash did not fire, compulsory flash suppression
Supported Flashpix version	1
Colour space	sRGB
Sensing method	One-chip colour 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	0
Focal length in 35 mm film	28 mm
Scene capture type	Standard
Scene control	None
Contrast	Normal
Saturation	Normal
Sharpness	Normal

File

Railway tunnel air shaft - geograph.org.uk - 4381506.jpg

From Underfoot

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some value

10 March 2015

53°42'29.9"N, 1°55'13.1"W

53°42'31.0"N, 1°55'12.4"W

image/jpeg

0.00125 second

3.3

4.6 millimetre

100

File history

File usage

Metadata