File:Roger Penrose.jpg

Original file (2,848 × 4,288 pixels, file size: 6.15 MB, MIME type: image/jpeg)

Summary

Portrait or biographical image of Roger Penrose.

Source file: File:Roger Penrose 9560.JPG on Wikimedia Commons
Original image URL: https://upload.wikimedia.org/wikipedia/commons/a/ab/Roger_Penrose_9560.JPG
Credit: Own work
Artist/author: Biswarup Ganguly
License: CC BY 3.0 (https://creativecommons.org/licenses/by/3.0)
License note: Used on ScholarlyWiki with permission/licence held by the site owner.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	20:36, 24 May 2026		2,848 × 4,288 (6.15 MB)	WikiHarold (talk \| contribs)	Import biography portraits batch

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Camera manufacturer	NIKON CORPORATION
Camera model	NIKON D90
Exposure time	1/30 sec (0.033333333333333)
F Number	f/5.5999999994785
ISO speed rating	800
Date and time of data generation	16:53, 7 January 2011
Lens focal length	85 mm
User comments	Biswarup Ganguly
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	ViewNX 2.0 W
File change date and time	12:57, 10 January 2011
Y and C positioning	Centered
Pair of black and white reference values	0 255 0 255 0 255
Exposure Program	Not defined
Exif version	2.2
Date and time of digitizing	16:53, 7 January 2011
Meaning of each component	Y Cb Cr does not exist
APEX exposure bias	0
Maximum land aperture	5 APEX (f/5.66)
Metering mode	Pattern
Light source	Unknown
Flash	Flash fired, strobe return light detected, compulsory flash firing
DateTime subseconds	00
DateTimeOriginal subseconds	00
DateTimeDigitized subseconds	00
Supported Flashpix version	1
Color space	Uncalibrated
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	Auto exposure
White balance	Auto white balance
Digital zoom ratio	1
Focal length in 35 mm film	127 mm
Scene capture type	Portrait
Scene control	Low gain up
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown
GPS tag version	0.0.2.2