Image:GlassPerscriptionRig.jpg

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Rig used to determine vision prescription. This one or ... this one?

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I, the creator of this work, hereby release it into the public domain. This applies worldwide.
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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 image.

Camera manufacturer Hewlett-Packard
Camera model HP PhotoSmart C945 (V01.61)+
Orientation Normal
Horizontal resolution 72 dpi
Vertical resolution 72 dpi
File change date and time 15:07, 23 August 2006
Y and C positioning 1
Exposure time 24129/100000 sec (0.24129)
F-number f/2.8
Exposure Program Normal program
ISO speed rating 100
Exif version 2.2
Date and time of data generation 15:07, 23 August 2006
Date and time of digitizing 15:07, 23 August 2006
Meaning of each component 0321
Shutter speed 2.0546875
Aperture 3.06640625
Exposure bias 0
Maximum land aperture 2.8
Metering mode CenterWeightedAverage
Light source Standard light A
Flash 16
Lens focal length 7.6 mm
Color space sRGB
Focal plane X resolution 2.775E-05
Focal plane Y resolution 2.775E-05
Focal plane resolution unit 3
Exposure index 100
Sensing method Undefined
Custom image processing Custom process
Exposure mode Auto exposure
White Balance Auto white balance
Focal length in 35 mm film 37
Scene capture type Standard
Contrast Normal
Saturation Normal
Sharpness Normal
Subject distance range Close view
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