File:ISS-65 Mark Vande Hei gets his eyes checked.jpg

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Description	English: NASA astronaut and Expedition 65 Flight Engineer Mark Vande Hei peers into near-infrared medical-imaging gear, or optical coherence tomography, for detailed views of his retina as part of regularly scheduled eye checks aboard the International Space Station.
Date	Taken on 12 May 2021, 18:38:05
Source	https://www.flickr.com/photos/nasa2explore/51187536678/
Author	NASA

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	This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	18:22, 16 October 2021		5,568 × 3,712 (2.03 MB)	Nicht (talk \| contribs)	Uploaded a work by NASA from https://www.flickr.com/photos/nasa2explore/51187536678/ with UploadWizard

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This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

Image title	GMT133_20_52_Shane Kimbrough_1016_Endeavour window pics Mark OCT
Camera manufacturer	NIKON CORPORATION
Camera model	NIKON D5
Exposure time	1/13 sec (0.076923076923077)
F-number	f/4
ISO speed rating	500
Date and time of data generation	18:38, 12 May 2021
Lens focal length	24 mm
User comments	NASA 3502516
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Adobe Photoshop 22.0 (Windows)
File change date and time	10:55, 14 May 2021
Exposure Program	Aperture priority
Exif version	2.31
Date and time of digitizing	18:38, 12 May 2021
APEX shutter speed	3.70044
APEX aperture	4
APEX exposure bias	0
Maximum land aperture	3 APEX (f/2.83)
Metering mode	Pattern
Light source	Unknown
Flash	Flash did not fire
DateTime subseconds	62
DateTimeOriginal subseconds	62
DateTimeDigitized subseconds	62
Color space	sRGB
Focal plane X resolution	1,552.0561218262
Focal plane Y resolution	1,552.0561218262
Focal plane resolution unit	3
Sensing method	One-chip color area sensor
File source	Digital still camera
Scene type	A directly photographed image
Custom image processing	Custom process
Exposure mode	Auto exposure
White balance	Auto white balance
Focal length in 35 mm film	24 mm
Scene capture type	Standard
Scene control	None
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown
Serial number of camera	3502516
Lens used	17.0-35.0 mm f/2.8
Rating (out of 5)	0
Date metadata was last modified	05:55, 14 May 2021
Unique ID of original document	0A283C29F0A51C8B603EB53020D80183

File:ISS-65 Mark Vande Hei gets his eyes checked.jpg

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inception

12 May 2021

captured with

Nikon D5

exposure time

0.07692307692307692307 second

f-number

4

focal length

24 millimetre

ISO speed

500

media type

image/jpeg

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photograph

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File:ISS-65 Mark Vande Hei gets his eyes checked.jpg

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