Better closup with my ND1000 filter of the run-up of my 70W 8000K MH lamp
[url]https://www.youtube.com/watch?v=0DpXqUqogkA[/url]
Indium being ionized the fastest, because of the high pressure, so the lamp switches to blue colour during run-up. Thallium being ionized slower.

Better closup with my ND1000 filter of the run-up of my 70W 8000K MH lamp

https://www.youtube.com/watch?v=0DpXqUqogkA
Indium being ionized the fastest, because of the high pressure, so the lamp switches to blue colour during run-up. Thallium being ionized slower.

IMG_8231.JPG IMG_9811.JPG IMG_8186.JPG MVI_1501_MP4_snapshot_00_00_000.jpg MVI_8345_MP4_snapshot_00_42_609.jpg
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