2014 Osram HQI-TM 600W single ended compact qmh lamp after switch off
further information for this lamp can be found in the main post: [url=http://80.229.24.59:9232/gallery/displayimage.php?album=528&pid=23180#top_display_media]click me [/url]
Lamp just after switching off. There is a notable blue glow, in person it is however slightly smaller.

2014 Osram HQI-TM 600W single ended compact qmh lamp after switch off

further information for this lamp can be found in the main post: click me
Lamp just after switching off. There is a notable blue glow, in person it is however slightly smaller.

IMG_0665.JPG IMG_0709.JPG IMG_0707.JPG IMG_0703.JPG IMG_0684.JPG
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Filename:IMG_0707.JPG
Album name:Alex / Quartz metal halide lamps
Filesize:2056 KiB
Date added:01 May, 2026
Dimensions:1536 x 2048 pixels
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dor123   [01 May, 2026 at 11:05 AM]
What causes the UV dopants to afterglow like this?
AngryHorse   [01 May, 2026 at 06:49 PM]
That’s a lot of heat situated near the pip seal, or was it just how it came out on the picture?, these afterglows are cool to see though Wink
Alex   [01 May, 2026 at 06:52 PM]
i think thats more of a photo artefact, rich

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