Image:Benrus Watch Balance Wheel 2.jpg
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[edit] Summary
Balance wheel in a Benrus DN21 watch, probably made in the 1950s. The movement is a 17 jewel ETA 1280 made by the Swiss ebauche maker ETA SA. The balance and spring are made of low temperature coefficient alloys of beryllium and nickel. The watch is mine and is accurate within about 5 seconds per day.
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File history
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 00:58, 25 June 2007 | 908×682 (117 KB) | Chetvorno (Talk | contribs) | (Balance wheel in a Benrus DN21 watch, probably made in the 1950s. The movement is an ETA 1280 made by the Swiss ebauche maker ETA SA. The balance and spring are made of low temperature coefficient alloys of beryllium and nickel. The watch is mine and i) |
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Metadata
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.
| Camera manufacturer | FUJIFILM |
|---|---|
| Camera model | FinePix E550 |
| Exposure time | 1/38 sec (0.026315789473684) |
| F-number | f/8 |
| Date and time of data generation | 21:36, 20 June 2007 |
| Lens focal length | 7.2 mm |
| Orientation | Normal |
| Horizontal resolution | 72 dpi |
| Vertical resolution | 72 dpi |
| Software used | Digital Camera FinePix E550 Ver1.00 |
| File change date and time | 21:36, 20 June 2007 |
| Y and C positioning | 2 |
| Exposure Program | Aperture priority |
| ISO speed rating | 400 |
| Exif version | 2.2 |
| Date and time of digitizing | 21:36, 20 June 2007 |
| Image compression mode | 3.2 |
| Shutter speed | 5.2 |
| Aperture | 6 |
| Brightness | 4.24 |
| Exposure bias | 0 |
| Maximum land aperture | 3 |
| Metering mode | Pattern |
| Light source | Cool white fluorescent (W 3900 – 4500K) |
| Flash | 16 |
| Color space | sRGB |
| Focal plane X resolution | 7443 |
| Focal plane Y resolution | 7443 |
| Focal plane resolution unit | 3 |
| Sensing method | One-chip color area sensor |
| Custom image processing | Normal process |
| Exposure mode | Auto exposure |
| White balance | 770 |
| Scene capture type | Standard |
| Sharpness | 3 |
| Subject distance range | Unknown |
