File:CBP checking authenticity of a travel document.jpg

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Summary

Description	English: CBP Office of Field Operations agent checking the authenticity of a travel document at an international airport using a stereomicroscope. Original description by CBP: "Checking the authenticity of a travel document is a critical part of a CBP Officer’s duties." Español: Agente de la Oficina de Operaciones de Campo de la CBP verificando la autenticidad de un documento de viaje en un aeropuerto internacional empleando un estéreo-microscopio.
Date	4 May 2004, 03:18
Source	Original link: http://www.cbp.gov/xp/cgov/newsroom/photo_gallery/afc/inspectors_airports/air_05.xml (file `Air_5fphoto_5f05.jpg`) Now available at: link
Author	James R. Tourtellotte, CBP, U.S. Dept. of Homeland Security

Licensing

This image or file is a work of a United States Department of Homeland Security employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.

File usage

The following pages on Schools Wikipedia link to this image (list may be incomplete):

Microscope

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	Canon
Camera model	Canon EOS-1DS
Exposure time	1/60 sec (0.016666666666667)
F-number	f/4
ISO speed rating	400
Date and time of data generation	03:18, 4 May 2004
Lens focal length	21 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Adobe Photoshop CS Windows
File change date and time	17:14, 18 May 2004
Y and C positioning	Co-sited
Exposure Program	Normal program
Exif version	2.2
Date and time of digitizing	03:18, 4 May 2004
Shutter speed	6
APEX aperture	4
Exposure bias	1
Metering mode	Pattern
Flash	Flash fired
Colour space	sRGB
Focal plane X resolution	2,886.3636363636
Focal plane Y resolution	2,885.8057630736
Focal plane resolution unit	inches
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Scene capture type	Standard

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