The arc of my Osram HQI-TS 70W/D through my new ND1000 filter
You can see the multi color arc inside.
Here is a closeup video of the arc during run-up:
[url]https://www.youtube.com/watch?v=8eSfAHedbI4[/url]

Better and higher resolution of the arc:
[img]https://i.postimg.cc/Twqqy9rG/IMG-8030.jpg[/img]

See whats happening when I put the lamp so that the halides are at the top:
[url]https://www.youtube.com/watch?v=HUFEPtuhfmk[/url]

The arc of my Osram HQI-TS 70W/D through my new ND1000 filter

You can see the multi color arc inside.
Here is a closeup video of the arc during run-up:
https://www.youtube.com/watch?v=8eSfAHedbI4

Better and higher resolution of the arc:


See whats happening when I put the lamp so that the halides are at the top:
https://www.youtube.com/watch?v=HUFEPtuhfmk

IMG_8015.JPG IMG_8018.JPG IMG_8028.JPG IMG_8035.JPG IMG_8078.JPG
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