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Feit Electric Red CFL Spectrum

Feit Electric Red CFL Spectrum


Some more experimenting.

20200124_1247355B15D.jpg 20200123_1918315B15D.jpg 20200123_1921235B15D.jpg 20200123_1923435B15D.jpg

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Filename:20200123_1921235B15D.jpg
Album name:High Intensity / Other Photos
Keywords:Off-Topic
File Size:111 KB
Date added:Jan 23, 2020
Dimensions:352 x 223 pixels
Displayed:8 times
Date Time:2020:01:23 19:21:23
DateTime Original:2020:01:23 19:21:23
Exposure Bias:-2 EV
Exposure Time:1/12 sec
FNumber:f 2.2
Flash:No Flash
Focal length:3.701 mm
ISO:700
Make:LG Electronics
Model:LM-X210(G)
White Balance:0
URL:https://www.lighting-gallery.net/gallery/displayimage.php?pos=-171799
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Globe Collector
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Preserving the Brightest Ideas of Our Age


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Jan 24, 2020 at 07:33 PM Author: Globe Collector
This lamp looks like an "intelligent" one...it seems to have just the red Yttrium-Europium Oxide phosphor and some red lacquer over the outside to block the yellow, green and violet mercury lines which would otherwise make it look pink if not filtered out.

Bit "far wawy" and over exposed. Camera settings will fix that!

Manufactured articles should be made to be used, not made to be sold!

Fee, Fye, Fow, Fum, A dead man's eye and a parrot's BUM!

High Intensity
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EYE 175w MV


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Jan 24, 2020 at 07:38 PM Author: High Intensity
This one i had a bit of trouble with as i had to choose between the red line being overexposed or the green and yellow lines not being visable.

Old lighting is, and will always be, the best lighting.

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Jan 24, 2020 at 08:25 PM Author: Globe Collector
That is always a problem...dynamic range. I this case I would have not worried about the atomic lines, just gone for the red phosphor band.

Closing the slit narrower may help otherwise, just reduce the exposure. As you "fiddle about" you will get the hang of it.

George in Canada uses as "unsharp masking technique" where he takes a slightly over exposed and out of focus image of the spectrum, then a sharply focused image, He then "subtracts" the first image from the second in photoshop...effectively compressing the dynamic range of the picture...making the brighter bit dimmer and the dimmer bits brighter.

Your eye will see far clearer spectra than the camera can!

Manufactured articles should be made to be used, not made to be sold!

Fee, Fye, Fow, Fum, A dead man's eye and a parrot's BUM!

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