File:Liverpool Merseyside Maritime Museum 006.JPG
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DescriptionLiverpool Merseyside Maritime Museum 006.JPG | German U.D.F. 7×50 U-boat binoculars (1939-1945). The U.D.F. 7×50 binoculars were made of heavy 464 navalbrass to help prevent corrosion from salt water and could be submerged to 300 m. They weigh about 6 kg. The right prism cover, has a lever, that controls a reticle illumination system. On the Conning Tower of every U-boat was a device known as the U.Z.O. (Uberwasser - Ziel – Optik) which took the form of a pedestal,graded in degrees around its top and with an attachment bracket to which a pair of heavy duty U.D.F. 7×50 binoculars could be fitted. The U.Z.O. was linked to the U-boat's central attack computer in the commander's battle station,transmitting targeting data as the binoculars were trained on the target. Merseyside Maritime Museum[1] |
Date | |
Source | Own work |
Author | Matěj Baťha |
Permission (Reusing this file) |
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. Attribution: Matěj "Dědek" Baťha
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- ↑ [http://www.binoculars-cinecollectors.com/UDF_by_Anna___Terry_Vacani_-2012.pdf 1U.D.F. 7 x 50 blc U-boat sight for torpedo firing By Anna and Terry Vacani
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:24, 16 December 2020 | 2,247 × 2,176 (1.58 MB) | Hohum (talk | contribs) | Colour adjust, cropped to subject | |
22:10, 4 November 2016 | 3,264 × 2,176 (1.9 MB) | Jedudedek (talk | contribs) |
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Camera manufacturer | OLYMPUS CORPORATION |
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Camera model | C8080WZ |
Exposure time | 2/5 sec (0.4) |
F-number | f/2.5 |
ISO speed rating | 200 |
Date and time of data generation | 13:30, 24 February 2009 |
Lens focal length | 10.8 mm |
Author | Matěj "Dědek" Baťha |
Short title |
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JPEG file comment | |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | GIMP 2.10.20 |
File change date and time | 22:23, 16 December 2020 |
Y and C positioning | Centered |
Exposure Program | Creative program (biased toward depth of field) |
Exif version | 2.2 |
Date and time of digitizing | 13:30, 24 February 2009 |
Meaning of each component |
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Image compression mode | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 2.7 APEX (f/2.55) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Manual white balance |
Digital zoom ratio | 0 |
Scene capture type | Portrait |
Scene control | Low gain up |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Unique ID of original document | xmp.did:16a188d9-819f-4111-9f6f-ea294129b5ce |