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.

MVI_8071___8072_mkv_snapshot_00_16_583.jpg MVI_8076_MP4_snapshot_00_25_592.jpg MVI_8087_MP4_snapshot_00_23_590.jpg MVI_8121___8123_mkv_snapshot_00_16_083.jpg MVI_8141_MP4_snapshot_00_13_234.jpg
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