File:XingyuChenPhoto1.JPG

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	Apple
Camera model	iPhone 4
Exposure time	1/15 sec (0.066666666666667)
F Number	f/2.8
ISO speed rating	100
Date and time of data generation	13:18, 31 March 2013
Lens focal length	3.85 mm
Latitude	38° 11′ 13.8″ N
Longitude	92° 41′ 15.6″ W
Altitude	221.332 meters above sea level
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	6.1.3
File change date and time	13:18, 31 March 2013
Y and C positioning	Centered
Exposure Program	Normal program
Exif version	2.21
Date and time of digitizing	13:18, 31 March 2013
Meaning of each component	does not exist does not exist does not exist does not exist
APEX shutter speed	3.9112
APEX aperture	2.970853573907
APEX brightness	2.4803554724041
Metering mode	Pattern
Flash	Flash did not fire, auto mode
Supported Flashpix version	0,100
Color space	sRGB
Sensing method	One-chip color area sensor
Exposure mode	Auto exposure
White balance	Auto white balance
Focal length in 35 mm film	35 mm
Scene capture type	Standard
GPS time (atomic clock)	18:18
Reference for direction of image	True direction
Direction of image	41.215189873418