File:Aperture grille closeup teletext.jpg
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Summary
[edit]DescriptionAperture grille closeup teletext.jpg |
A 25" aperture-grille based television monitor (Sony KV-25FX20D) in close-up, showing the letter "e" from a teletext page. When displayed on a 15" monitor set to its optimum resolution (1024x768 pixels), the final photo has a magnification of about 40x. Photo taken with a Canon Powershot A95 camera and some additional equipment (a Pentax K mount 50 mm f:1.7 lens and a simple convex lens taken off a magnifying glass) to achieve the magnification. |
Date | |
Source | Own work |
Author | Selçuk Oral (drumex) |
Licensing
[edit]Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
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This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 16:59, 25 September 2006 | 818 × 1,200 (267 KB) | Drumex (talk | contribs) | {{Information |Description= The aperture grille of a 25" television monitor (Sony KV-25FX20D) in close-up, showing the letter "e" from a teletext page. When displayed on a 15" monitor set to its optimum resolution (1024x768 pixels), the final photo has a |
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Metadata
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot A95 |
Exposure time | 1/10 sec (0.1) |
F-number | f/8 |
Date and time of data generation | 23:54, 29 May 2006 |
Lens focal length | 23.40625 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop CS2 Windows |
File change date and time | 01:05, 9 July 2006 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 23:54, 29 May 2006 |
Image compression mode | 5 |
APEX shutter speed | 3.3125 |
APEX aperture | 6 |
APEX exposure bias | 0 |
Maximum land aperture | 4.59375 APEX (f/4.91) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Color space | sRGB |
Focal plane X resolution | 9,159.0106007067 |
Focal plane Y resolution | 9,169.8113207547 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Manual white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |