File:David Tong portrait.jpg

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Original file (2,400 × 3,000 pixels, file size: 3.04 MB, MIME type: image/jpeg)

Summary

Portrait of David Tong for a ScholarlyWiki biography.

License: approved for ScholarlyWiki use by the site owner.

Author: Harold Foppele

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	12:13, 24 May 2026		2,400 × 3,000 (3.04 MB)	WikiHarold (talk \| contribs)	== Summary == Imported biography portrait for ScholarlyWiki author page

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Camera manufacturer	NIKON CORPORATION
Camera model	NIKON D3X
Author	Lafayette Photography
Exposure time	1/125 sec (0.008)
F Number	f/8
ISO speed rating	200
Date and time of data generation	14:31, 20 June 2013
Lens focal length	70 mm
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Adobe Photoshop Lightroom 4.4 (Windows)
File change date and time	15:02, 6 July 2013
Exposure Program	Manual
Exif version	2.3
Date and time of digitizing	14:31, 20 June 2013
APEX shutter speed	6.9657836644592
APEX aperture	6
APEX exposure bias	0
Maximum land aperture	3 APEX (f/2.83)
Metering mode	Pattern
Light source	Flash
Flash	Flash did not fire
DateTimeOriginal subseconds	74
DateTimeDigitized subseconds	74
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	Manual exposure
White balance	Manual white balance
Digital zoom ratio	1
Focal length in 35 mm film	70 mm
Scene capture type	Standard
Scene control	None
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown
Lens used	24.0-70.0 mm f/2.8
Serial number of camera	5010459
Contact information	info@lafayettephotography.com www.lafayettephotography.com 14 Green Street Cambridge, , CB2 3JU UK 01223 460404
IIM version	2