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The colour of my Osram HQI-TS 70W/WDL Excellence It is far from halogen lamps, compared to Philips MHN-TD 70W/730 which uses the same chemistry Dy-Tl-Na, and even pre-Excellence HQI-TS 70W/WDL, which have tin instead of dysprosium. Why?

The colour of my Osram HQI-TS 70W/WDL Excellence

It is far from halogen lamps, compared to Philips MHN-TD 70W/730 which uses the same chemistry Dy-Tl-Na, and even pre-Excellence HQI-TS 70W/WDL, which have tin instead of dysprosium.
Why?

Screenshot_20251229_145202_Gallery.jpg 20181015_180253-1.jpg IMG_8206.JPG DSCF2076.jpg 0-18-6.JPG
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Album name:dor123 / Lamps
Filesize:1137 KiB
Date added:06 Apr, 2025
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