Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,259 pages of information and 244,500 images on early companies, their products and the people who designed and built them.
Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.
JD_2019_Dobson_Barlow_1.jpg (800 × 551 pixels, file size: 211 KB, MIME type: image/jpeg)
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:52, 24 October 2019 | | 800 × 551 (211 KB) | JohnD (talk | contribs) |
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| Camera manufacturer | Canon |
|---|---|
| Camera model | Canon EOS 550D |
| Exposure time | 1/30 sec (0.033333333333333) |
| F Number | f/3.5 |
| ISO speed rating | 640 |
| Date and time of data generation | 17:58, 21 March 2019 |
| Lens focal length | 18 mm |
| Orientation | Normal |
| Horizontal resolution | 72 dpi |
| Vertical resolution | 72 dpi |
| Software used | Windows Photo Editor 6.3.9600.17418 |
| File change date and time | 17:46, 24 October 2019 |
| Y and C positioning | Co-sited |
| Exposure Program | Not defined |
| Exif version | 2.21 |
| Date and time of digitizing | 17:58, 21 March 2019 |
| Meaning of each component |
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| APEX shutter speed | 5 |
| APEX aperture | 3.625 |
| APEX exposure bias | 0 |
| Metering mode | Pattern |
| Flash | Flash did not fire, compulsory flash suppression |
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