The spectrum of my Osram/LEDvance HQI-TS 70W/D
[img]https://i.postimg.cc/C56GZnp7/IMG-7059.jpg[/img]
I don't know why Osram put sodium and indium and not just thallium, dysprosium and cesium? This would improve the CRI significantly and make the light pure white at 5600K like my Sylvania HSI-TD 70W/D.

The spectrum of my Osram/LEDvance HQI-TS 70W/D


I don't know why Osram put sodium and indium and not just thallium, dysprosium and cesium? This would improve the CRI significantly and make the light pure white at 5600K like my Sylvania HSI-TD 70W/D.

Crompton_60_Watt_GLS.JPG Tungsram_25_Watt_35mm_Candle_Clear.JPG IMG_7023.JPG MVI_7989___7991_mkv_snapshot_04_46_787.jpg IMG_1696.JPG
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