File:150mm Texereau telescope n1.jpg
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Size of this preview: 396 × 600 pixels. Other resolutions: 158 × 240 pixels | 317 × 480 pixels | 507 × 768 pixels | 676 × 1,024 pixels | 2,500 × 3,787 pixels.
Original file (2,500 × 3,787 pixels, file size: 3.37 MB, MIME type: image/jpeg)
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Summary
[edit]Description150mm Texereau telescope n1.jpg |
English: A home-made 150mm Newtonian telescope on an altazimuthal mount built according to Jean Texereau's design in La Construction du télescope d'amateur (1951, translated as How to make a telescope).
Français : Télescope de Newton de 150mm sur monture altazimutale construit à la main selon les plans de Jean Texereau dans La Construction du télescope d'amateur (1951). |
Date | |
Source | Own work |
Author | Gil-Estel |
Licensing
[edit]I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution 2.5 Generic license.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:04, 22 August 2007 | 2,500 × 3,787 (3.37 MB) | Gil-Estel (talk | contribs) | == Summary == {{Information |Description= {{en|A home-made 150mm Newtonian telescope on an altazimuthal mount designed according to Jean Texereau's design in ''La Construction du télescope d'amateur'' (1951, translated as ''How to make a telescope'').}} |
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Metadata
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Camera manufacturer | NIKON CORPORATION |
---|---|
Camera model | NIKON D200 |
Author | Marie-Lan Nguyen |
Copyright holder | Wikimedia Commons |
Exposure time | 1/20 sec (0.05) |
F-number | f/8 |
ISO speed rating | 100 |
Date and time of data generation | 16:37, 22 July 2007 |
Lens focal length | 32 mm |
User comments | Marie-Lan Nguyen/Wikimedia Commons |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | DxO Optics Pro Standard 4.5 (MacOS X) W1BVDDCW2TFUG |
File change date and time | 16:37, 22 July 2007 |
Exposure Program | Aperture priority |
Date and time of digitizing | 16:37, 22 July 2007 |
APEX shutter speed | 4.321928 |
APEX aperture | 6 |
APEX exposure bias | 0.33333333333333 |
Maximum land aperture | 4.1 APEX (f/4.14) |
Metering mode | Center weighted average |
Light source | Fine weather |
Flash | Flash did not fire |
DateTime subseconds | 73 |
DateTimeOriginal subseconds | 73 |
DateTimeDigitized subseconds | 73 |
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 | Manual white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 48 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
GPS tag version | 2.2.0.0 |