My Osram HQI-TS 70W/D at the middle of the run up
This lamp produces bluish white colour of approx 12000K, when the indium and thallium vaporizes. This can be also seen with the Philips HPI-T lamps.

My Osram HQI-TS 70W/D at the middle of the run up

This lamp produces bluish white colour of approx 12000K, when the indium and thallium vaporizes. This can be also seen with the Philips HPI-T lamps.

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Flurofan96   [30 Jul, 2026 at 11:22 PM]
This is a nice refreshing colour
AngryHorse   [31 Jul, 2026 at 07:47 AM]
Interesting, I always get a very deep green from my daylight halides Cool
dor123   [31 Jul, 2026 at 08:58 AM]
This is because this lamp have Dy-In-Tl-Na and not Dy-Tl-Cs or Dy-Ho-Tm-Tl-Cs like your daylight halides.

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