File:Luminance Chamber.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	16:48, 3 January 2010	No thumbnail	3,104 × 4,672 (7.74 MB)	Swoolverton	{{Information \|Description= luminance chamber for the measurement of luminance power of LED lighting devices \|Source={{own}} \|Date=24Oct2009 \|Author= Swoolverton \|Permission= \|other_versions= }} Category:Engineering

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Camera manufacturer	PENTAX
Camera model	PENTAX K-7
Author	Stephen Woolverton
Copyright holder	Stephen R Woolverton
Exposure time	1/15 sec (0.066666666666667)
F Number	f/4
ISO speed rating	400
Date and time of data generation	11:04, 24 October 2009
Lens focal length	20 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	QuickTime 7.6.2
File change date and time	04:22, 25 October 2009
Exposure Program	Normal program
Exif version	2.2
Date and time of digitizing	11:04, 24 October 2009
APEX exposure bias	1.3
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression
Color space	sRGB
Sensing method	One-chip color area sensor
Custom image processing	Normal process
Exposure mode	Manual exposure
White balance	Auto white balance
Focal length in 35 mm film	30 mm
Scene capture type	Standard
Contrast	Hard
Saturation	Normal
Sharpness	Hard
Subject distance range	Distant view