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Summary
DescriptionCommodore 64 PAL horizontal sync and colourburst.jpg |
English: Measured on a Tektronix 2235 oscilloscope to demonstrate that a Commodore 64 typically outputs a bright pixel on the extreme left of the image (normally hidden by overscan). The horizontal sync pulse and colourburst are visible to the left and centre, and the bright pixel is visible just right of centre. The remainder of each line is completely black, as set by simple POKE commands. |
Date | |
Source | Own work |
Author | Parrot of Doom |
Camera location | 53° 26′ 33.71″ N, 2° 23′ 11.52″ W | View this and other nearby images on: OpenStreetMap | 53.442697; -2.386533 |
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Licensing
I, the copyright holder of this work, hereby publish it under the following license:
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depicts
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13 May 2020
53°26'33.709"N, 2°23'11.519"W
image/jpeg
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895,574 byte
1,816 pixel
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 22:04, 13 May 2020 | 2,256 × 1,816 (875 KB) | Parrot of Doom | Uploaded own work with UploadWizard |
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Metadata
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
If the file has been modified from its original state, some details may not fully reflect the modified file.
Camera manufacturer | |
---|---|
Camera model | Pixel 3a XL |
Exposure time | 4,001/100,000 sec (0.04001) |
F-number | f/1.8 |
ISO speed rating | 213 |
Date and time of data generation | 22:50, 13 May 2020 |
Lens focal length | 4.44 mm |
Latitude | 53° 26′ 33.71″ N |
Longitude | 2° 23′ 11.52″ W |
Altitude | 74.4 meters above sea level |
Width | 3,840 px |
Height | 2,160 px |
Bits per component |
|
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop CS6 (Windows) |
File change date and time | 23:01, 13 May 2020 |
Y and C positioning | Centered |
Exposure Program | Normal program |
Exif version | 2.31 |
Date and time of digitizing | 22:50, 13 May 2020 |
Meaning of each component |
|
Shutter speed | 4.64 |
APEX aperture | 1.7 |
APEX brightness | 0.25 |
Exposure bias | 0 |
Maximum land aperture | 1.7 APEX (f/1.8) |
Subject distance | 0.142 meters |
Metering mode | Center weighted average |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 871973 |
DateTimeOriginal subseconds | 871973 |
DateTimeDigitized subseconds | 871973 |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
Scene type | A directly photographed image |
Custom image processing | Custom process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 0 |
Focal length in 35 mm film | 27 mm |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Macro |
GPS time (atomic clock) | 21:50 |
Measurement precision | Poor (11.471) |
GPS date | 13 May 2020 |
GPS tag version | 0.0.2.2 |
Date metadata was last modified | 00:01, 14 May 2020 |
Unique ID of original document | B57D2439C9B15B06F0178AF0CD59005C |
IIM version | 18,048 |