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Closeup of the mercury arc and the tungsten filament of my Osram HWL(MBTF) 160W date code: f278 I've done this with my ND1000 filter.

Closeup of the mercury arc and the tungsten filament of my Osram HWL(MBTF) 160W date code: f278

I've done this with my ND1000 filter.

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File information
Filename:IMG_1235.JPG
Album name:dor123 / Lamps
Manufacturer:Ledvance, China
Type/Model:Osram HWL(MBTF) 160W
Wattage:160W
Date manufactured:Date code: f278
Filesize:909 KiB
Date added:17 Apr, 2026
Dimensions:2048 x 1536 pixels
Displayed:325 times
URL:http://80.229.24.59:9232/gallery/displayimage.php?pid=24591
Favourites:Add to Favourites

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Page: 1

AngryHorse   [18 Apr, 2026 at 08:12 AM]
Interesting how the discharge tube on MBTFs don’t seem to cloud up as fast as the straight mercury ones do, I’ve run mine for many hundreds of hours and the tube still looks factory fresh! Smile
dor123   [18 Apr, 2026 at 09:05 AM]
This lamp was very little used. I mainly used the Philips ML 160W which its arctube clouded (And this winter I used my Aliexpress SBMV lamp).

Comment 1 to 2 of 2
Page: 1

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