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.

Screenshot_20200809-180633.jpg Screenshot_20230720_132725_Gallery.jpg Screenshot_20231216_150441_Gallery.jpg IMG_8240.JPG Tate_modern_7.jpg
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