File:Air Shaft For Railway Tunnel - geograph.org.uk - 2976980.jpg

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Captions

English

Air Shaft For Railway Tunnel

Summary

Description	English: Air Shaft For Railway Tunnel
Depicts InfoField	rail infrastructure, Bayford, Ponsbourne Tunnel
Date	4 June 2012
Source	Geograph Britain and Ireland
Author	Bikeboy
Place of creation InfoField	Bayford (Bayford→East Hertfordshire→Hertfordshire→East of England→England→United Kingdom)

Camera location	51° 44′ 41.9″ N, 0° 05′ 58″ W	View this and other nearby images on: OpenStreetMap	51.744974; -0.099434

Object location	51° 44′ 42.2″ N, 0° 05′ 57″ W	View this and other nearby images on: OpenStreetMap	51.745059; -0.099286

Licensing

This image was taken from the Geograph 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 Bikeboy and is licensed for reuse under the Creative Commons Attribution-ShareAlike 2.0 license.

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

Attribution: Air Shaft For Railway Tunnel by Bikeboy

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File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	02:28, 1 January 2022		2,560 × 1,920 (1.12 MB)	GeographBot (talk \| contribs)	Uploading geograph.org.uk image from https://www.geograph.org.uk/photo/2976980

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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.

Image title	OLYMPUS DIGITAL CAMERA
Camera manufacturer	OLYMPUS IMAGING CORP.
Camera model	u40D,S500,uD500
Exposure time	1/400 sec (0.0025)
F-number	f/4.1
ISO speed rating	64
Date and time of data generation	15:03, 4 June 2012
Lens focal length	11.51 mm
Orientation	Normal
Horizontal resolution	314 dpi
Vertical resolution	314 dpi
Software used	Version 1.1
File change date and time	15:03, 4 June 2012
Y and C positioning	Co-sited
Exposure Program	Creative program (biased toward depth of field)
Exif version	2.21
Date and time of digitizing	15:03, 4 June 2012
Meaning of each component	Y Cb Cr does not exist
APEX exposure bias	0
Maximum land aperture	3.26 APEX (f/3.1)
Metering mode	Pattern
Light source	Unknown
Flash	Flash did not fire, compulsory flash suppression
Supported Flashpix version	1
Color space	sRGB
File source	Digital still camera
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	1
Scene capture type	Landscape
Scene control	None
Contrast	Normal
Saturation	Normal
Sharpness	Normal

Structured data

File:Air Shaft For Railway Tunnel - geograph.org.uk - 2976980.jpg

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File history

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