File:Amateur Astrophotography Tracker Close-up.jpg
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Original file (850 × 850 pixels, file size: 155 KB, MIME type: image/jpeg)
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Summary
[edit]DescriptionAmateur Astrophotography Tracker Close-up.jpg | Closeup of the drive mechanism. This is a 2 RPM synchronous motor with a drill chuck clamped onto the tiny driveshaft. Heavy door striker plates are used to couple the motor driveshaft to the drivescrew. On the lower (fixed) arm, a small round mirror is used for the bearing surface of the drivescrew, which is capped by a screwed-on acorn nut. |
Date | |
Source | Barndoor tracker closeup |
Author | s58y |
Licensing
[edit]This file is licensed under the Creative Commons Attribution 2.0 Generic license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
This image was originally posted to Flickr by s58y at https://www.flickr.com/photos/45032885@N04/4144045770. It was reviewed on 8 June 2013 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
8 June 2013
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:52, 8 June 2013 | 850 × 850 (155 KB) | Jacopo Werther (talk | contribs) | {{Information |Description=Closeup of the drive mechanism. This is a 2 RPM synchronous motor with a drill chuck clamped onto the tiny driveshaft. Heavy door striker plates are used to couple the motor driveshaft to the drivescrew. On the lower (fixed) ... |
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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 | 1/125 sec (0.008) |
F-number | f/1.4 |
ISO speed rating | 800 |
Date and time of data generation | 12:06, 12 October 2005 |
Lens focal length | 50 mm |
Orientation | Normal |
Horizontal resolution | 100 dpi |
Vertical resolution | 100 dpi |
Software used | Adobe Photoshop CS Windows |
File change date and time | 21:59, 16 September 2007 |
Exposure Program | Shutter priority |
APEX shutter speed | 6.965784 |
APEX aperture | 0.970854 |
APEX exposure bias | 0.5 |
Maximum land aperture | 0.96875 APEX (f/1.4) |
Metering mode | Center weighted average |
Flash | Flash did not fire |
Color space | sRGB |
Image width | 850 px |
Image height | 850 px |
Serial number of camera | 1420506696 |
Lens used | 50.0 mm |
Date and time of digitizing | 16:59, 16 September 2007 |
Date metadata was last modified | 16:59, 16 September 2007 |
IIM version | 2 |