File:Assorted LED Lamps.jpg

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Summary

Description

English: An assortment of energy-efficient semiconductor (LED) lamps for commercial and residential lighting use.

Date

16 June 2008, 15:54:10

Source

National Institute of Standards and Technology

Author

http://www.nist.gov

Permission
(Reusing this file)

This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.

English ∙ 日本語 ∙ македонски ∙ Nederlands ∙ +/−

File history

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Thumbnail	Dimensions	User	Comment
current	02:08, 9 October 2014		2,043 × 1,425 (2.3 MB)	Sarr X	User created page with UploadWizard

File usage

The following pages on the English Wikipedia use this file (pages on other projects are not listed):

Energy conservation

Global file usage

The following other wikis use this file:

Usage on af.wikipedia.org
- Energiebewaring
Usage on es.wikipedia.org
- Conservación energética
Usage on hi.wikipedia.org
- ऊर्जा संरक्षण
Usage on mr.wikipedia.org
- ऊर्जा संवर्धन
Usage on simple.wikipedia.org
- LED lamp
Usage on tr.wikipedia.org
- Enerji tasarrufu

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 file.

Camera manufacturer	CASIO COMPUTER CO.,LTD.
Camera model	EX-S770
Exposure time	1/60 sec (0.016666666666667)
F-number	f/2.7
Date and time of data generation	15:54, 16 June 2008
Lens focal length	6.2 mm
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Adobe Photoshop CS2 Windows
File change date and time	14:28, 24 June 2008
Y and C positioning	Centered
Exposure Program	Normal program
Exif version	2.21
Date and time of digitizing	15:54, 16 June 2008
Meaning of each component	Y Cb Cr does not exist
Image compression mode	3.3333333333333
Exposure bias	0
Maximum land aperture	2.8 APEX (f/2.64)
Metering mode	Pattern
Light source	Unknown
Flash	Flash did not fire, compulsory flash suppression
Supported Flashpix version	1
Color space	sRGB
File source	Digital still camera
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Focal length in 35 mm film	38 mm
Scene capture type	Standard
Scene control	High gain up
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Supported Flashpix version	1
Image width	2,043 px
Image height	1,425 px
Date metadata was last modified	10:28, 24 June 2008

Retrieved from "https://en.wikipedia.org/wiki/File:Assorted_LED_Lamps.jpg"

File:Assorted LED Lamps.jpg

Summary

Captions

Items portrayed in this file

depicts

inception

16 June 2008

media type

image/jpeg

checksum

97ac8b28bcbb48e5ab8a2b76eae70a73f0896189

data size

2,411,728 byte

height

1,425 pixel

width

2,043 pixel

File history

File usage

Global file usage

Metadata