File:Lentivirus packaging mix optimization 2 infection day4.JPG

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	15:21, 5 February 2011		600 × 400 (206 KB)	Paul.xu (talk \| contribs)
	10:36, 4 February 2011		600 × 400 (206 KB)	Paul.xu (talk \| contribs)

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Camera manufacturer	Canon
Camera model	Canon PowerShot A650 IS
Exposure time	1/2 sec (0.5)
F Number	f/3.5
ISO speed rating	1,600
Date and time of data generation	08:48, 4 February 2011
Lens focal length	18.89 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
File change date and time	09:28, 4 February 2011
Y and C positioning	Centered
Exif version	2.2
Date and time of digitizing	08:48, 4 February 2011
Image compression mode	3
APEX shutter speed	1
APEX aperture	3.625
APEX exposure bias	0
Maximum land aperture	3.625 APEX (f/3.51)
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression
Color space	sRGB
Focal plane X resolution	13,745.704467354
Focal plane Y resolution	13,698.630136986
Focal plane resolution unit	inches
Sensing method	One-chip color area sensor
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Manual white balance
Digital zoom ratio	1
Scene capture type	Standard