File:Achromatic telescope hooke img 1598.jpg
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Size of this preview: 800 × 533 pixels. Other resolutions: 320 × 213 pixels | 640 × 427 pixels | 1,024 × 683 pixels | 1,280 × 853 pixels | 2,560 × 1,707 pixels | 3,072 × 2,048 pixels.
Original file (3,072 × 2,048 pixels, file size: 1.73 MB, MIME type: image/jpeg)
File information
Structured data
Captions
Summary
Object
John Dollond: Dollond achromatic telescope - CnAM 1843 | ||||||||||||||||||||||||
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Artist |
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Title |
Dollond achromatic telescope - CnAM 1843 label QS:Lfr,"Lunette achromatique de Dollond - CnAM 1843"
label QS:Len,"Dollond achromatic telescope - CnAM 1843" |
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Object type | refracting telescope | |||||||||||||||||||||||
Date |
mid 18th century date QS:P,+1750-00-00T00:00:00Z/7,P4241,Q40719748 |
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Medium | wood, brass and glass | |||||||||||||||||||||||
Dimensions |
length: 112 cm (44 in) ; height: 75.5 cm (29.7 in) ; width: 38 cm (14.9 in) ; diameter: 21 cm (8.2 in) dimensions QS:P2043,+112.00U174728 dimensions QS:P2048,+75.50U174728 dimensions QS:P2049,+38.00U174728 dimensions QS:P2386,+21.00U174728 |
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Collection |
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Accession number |
01843-0000- (Conservatoire national des Arts et Métiers) |
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References | https://collections.arts-et-metiers.net/?queries=query=search=N°%20d'inventaire=01843-0000-&showtype=record (French) |
Photograph
Source | Own work | ||||||||
Author | Med | ||||||||
Permission (Reusing this file) |
I, the copyright holder of this work, hereby publish it under the following licenses:
This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic license. Attribution: Med
You may select the license of your choice. |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 12:37, 10 July 2006 | 3,072 × 2,048 (1.73 MB) | Med (talk | contribs) | {{en|Achromatic telescope, with handle by Hooke, mid 18th century}} {{fr|Lunette achromatique, avec manivelle de Hooke, milieu du XVIIIe siècle}} {{Med}} |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | Canon |
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Camera model | Canon EOS 10D |
Exposure time | 1/25 sec (0.04) |
F-number | f/1.6 |
ISO speed rating | 200 |
Date and time of data generation | 14:18, 9 July 2006 |
Lens focal length | 30 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
File change date and time | 14:18, 9 July 2006 |
Y and C positioning | Centered |
Exif version | 2.21 |
Date and time of digitizing | 14:18, 9 July 2006 |
Image compression mode | 3 |
APEX shutter speed | 4.6438598632812 |
APEX aperture | 1.3561401367188 |
APEX exposure bias | 0 |
Maximum land aperture | 0.97085571289062 APEX (f/1.4) |
Metering mode | Pattern |
Flash | Flash did not fire |
Color space | sRGB |
Focal plane X resolution | 3,443.9461883408 |
Focal plane Y resolution | 3,442.0168067227 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |
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dd5c580ec32fe97035dbc0073f9f90e88a6504bd
1,809,104 byte
2,048 pixel
3,072 pixel
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