File:Détail bras d'étoile de mer.jpg
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![File:Détail bras d'étoile de mer.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/c/cf/D%C3%A9tail_bras_d%27%C3%A9toile_de_mer.jpg/707px-D%C3%A9tail_bras_d%27%C3%A9toile_de_mer.jpg?20110913014542)
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Captions
Captions
Northern sea star (Leptasterias polaris) arm
Summary
[edit]DescriptionDétail bras d'étoile de mer.jpg |
Français : Détail de l'extrémité d'un bras d'une étoile de mer polaire (Leptasterias polaris), dans le bassin de la Station exploratoire du Saint-Laurent, à Rivière-du-Loup, au Québec. On y voit les pieds ambulacraires (podia), de même que l'ocelle. English: Detail of the extremity of a northern sea star's (Leptasterias polaris) arm, living in the tank of the Saint-Lawrence exploration center, in Rivière-du-Loup, Québec. Tube feet and pigment spot ocelli are visible. |
Date | |
Source | Own work |
Author | André-Philippe D. Picard |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 01:45, 13 September 2011 | ![]() | 1,105 × 937 (421 KB) | Silk666 (talk | contribs) | Recadrage sur les structures désirées, en l'occurrence les podia et l'ocelle. |
01:37, 13 September 2011 | ![]() | 3,264 × 2,448 (3.18 MB) | Silk666 (talk | contribs) |
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Metadata
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Camera manufacturer | SONY |
---|---|
Camera model | DSC-S800 |
Exposure time | 1/15 sec (0.066666666666667) |
F-number | f/2.8 |
ISO speed rating | 400 |
Date and time of data generation | 08:20, 3 September 2011 |
Lens focal length | 7.8 mm |
Horizontal resolution | 314 dpi |
Vertical resolution | 314 dpi |
Software used | Picasa |
File change date and time | 08:20, 3 September 2011 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 08:20, 3 September 2011 |
Image compression mode | 8 |
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Spot |
Light source | Tungsten (incandescent light) |
Flash | Flash did not fire, compulsory flash suppression |
Color space | sRGB |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Manual white balance |
Scene capture type | Standard |
Saturation | High saturation |
Sharpness | Hard |
Unique image ID | 4a107077b5ab4ff1fb5063dcfa324f9d |