File:US_Navy_100217-N-7032B-023_Capt._David_J._Tanzer,_specialty_leader_of_Navy_Refractive_Surgery_and_director_of_Refractive_Surgery_Program_at_Naval_Medical_Center_San_Diego,_performs_a_photorefractive_keratectomy_(PRK)_at_Naval_T.jpg
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Summary
DescriptionUS Navy 100217-N-7032B-023 Capt. David J. Tanzer, specialty leader of Navy Refractive Surgery and director of Refractive Surgery Program at Naval Medical Center San Diego, performs a photorefractive keratectomy (PRK) at Naval T.jpg |
English: SAN DIEGO (Feb. 17, 2010) Capt. David J. Tanzer, specialty leader of Navy Refractive Surgery and director of Refractive Surgery Program at Naval Medical Center San Diego, performs a photorefractive keratectomy (PRK) at Naval Training Center. PRK uses a laser to ablate the outer surface of the cornea. (U.S. Navy photo by Mass Communication Specialist 2nd Class Chad A. Bascom/Released) |
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Date | Taken on 17 February 2010 | |||
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Author | U.S. Navy photo by Mass Communication Specialist 2nd Class Chad A. Bascom |
Licensing
Public domainPublic domainfalsefalse |
This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
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This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
Items portrayed in this file
depicts
17 February 2010
0.02 second
2.8
55 millimetre
200
image/jpeg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 10:37, 14 May 2010 | 1,500 × 2,100 (1.44 MB) | BotMultichillT | == {{int:filedesc}} == {{Information |description={{en|1=SAN DIEGO (Feb. 17, 2010) Capt. David J. Tanzer, specialty leader of Navy Refractive Surgery and director of Refractive Surgery Program at Naval Medical Center San Diego, performs a photorefractive |
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Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D3X |
Exposure time | 1/50 sec (0.02) |
F-number | f/2.8 |
ISO speed rating | 200 |
Date and time of data generation | 16:53, 17 February 2010 |
Lens focal length | 55 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop CS4 Macintosh |
File change date and time | 15:32, 17 February 2010 |
Y and C positioning | Co-sited |
Exposure Program | Manual |
Exif version | 2.21 |
Date and time of digitizing | 16:53, 17 February 2010 |
Image compression mode | 2 |
Exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire |
DateTime subseconds | 83 |
DateTimeOriginal subseconds | 83 |
DateTimeDigitized subseconds | 83 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Digital zoom ratio | 1.13 |
Focal length in 35 mm film | 60 mm |
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Saturation | Normal |
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Subject distance range | Unknown |