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Better spectrum of my Sylvania HSI-TD 70W/D using my DVD-RW

Better spectrum of my Sylvania HSI-TD 70W/D using my DVD-RW

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I've installed the lamp in my tracklight and turned it on to capture this spectrum.
It have the same halide chemistry as the Osram HQI-T 250W/D and HQI-BT 400W/D (Dy-Ho-Tm-Tl-Cs) and there is some lithium and sodium as impurity from the quartz. All of the lines that are seen in my Odyssea MHQ-T 70W 6500K, including the one in the violet that was thought by me to be gallium, are present in the Sylvania HSI-TD 70W/D as well.

IMG_086920resized.jpg IMG_085220resized.jpg IMG_084620resized.jpg Spectrum20of20Odyssea20MHQ-T206500K2070W20resized.jpg

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Filename:IMG_084620resized.jpg
Album name:dor123 / Spectra of light sources with my discs
Keywords:Lamps
File Size:275 KB
Date added:Jul 28, 2020
Dimensions:1556 x 874 pixels
Displayed:29 times
Date Time:2020:07:28 14:27:47
DateTime Original:2020:07:28 14:27:47
Exposure Bias:0 EV
Exposure Time:1/50 sec
FNumber:f 5
Flash:No Flash
Focal length:17.337 mm
ISO:800
Make:Canon
Model:Canon PowerShot SX730 HS
White Balance:1
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