The arc of my Osram NAV-TS 70W Super 4Y
This is through my ND1000 filter. The arc is stabilized by the arctube wall.
Strange that this is occurs also with white SON lamps, which have shorter and larger arctubes.

The arc of my Osram NAV-TS 70W Super 4Y

This is through my ND1000 filter. The arc is stabilized by the arctube wall.
Strange that this is occurs also with white SON lamps, which have shorter and larger arctubes.

20250718_212640.jpg 387A3585.JPG Screenshot_20240507_124001_Gallery.jpg IMG_1349.JPG 387A8426.JPG
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