File:Donald_Ervin_Knuth_(cropped).jpg
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DescriptionDonald Ervin Knuth (cropped).jpg | Donald Knuth at the opening event of Computer History Museum's Revolution exhibition | |||
Date | ||||
Source | Flickr: DSC_0098 | |||
Author | Alex Handy | |||
Permission (Reusing this file) |
This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
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Other versions |
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Items portrayed in this file
depicts
11 January 2011
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:30, 3 December 2018 | 797 × 1,197 (384 KB) | D. Benjamin Miller | File:Donald Ervin Knuth.jpg cropped 65 % horizontally, 20 % vertically using CropTool with precise mode. |
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Metadata
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Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D40 |
Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/5.6 |
ISO speed rating | 400 |
Date and time of data generation | 13:46, 11 January 2011 |
Lens focal length | 55 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Ver.1.10 |
File change date and time | 13:46, 11 January 2011 |
Y and C positioning | Co-sited |
Exposure Program | Not defined |
Exif version | 2.21 |
Date and time of digitizing | 13:46, 11 January 2011 |
Meaning of each component |
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Image compression mode | 2 |
Exposure bias | 0 |
Maximum land aperture | 5 APEX (f/5.66) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash fired, strobe return light not detected, auto mode |
DateTime subseconds | 30 |
DateTimeOriginal subseconds | 30 |
DateTimeDigitized subseconds | 30 |
Supported Flashpix version | 1 |
Color space | sRGB |
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 | 82 mm |
Scene capture type | Standard |
Scene control | Low gain up |
Contrast | Soft |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
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