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Bluish and clear refractors

Bluish and clear refractors

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What is the point/reason for the bluish tint on the left refractor?

IMG_20191020_210459.jpg PSX_20191004_190812.jpg 20190922_001921.jpg IMG_20190826_130956.jpg

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Filename:IMG_20191020_210459.jpg
Album name:HomeBrewLamps / GEAR, BULBS & THE LIKE
Keywords:Miscellaneous
File Size:727 KB
Date added:Oct 20, 2019
Dimensions:2464 x 1848 pixels
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Date Time:2019:10:20 21:04:59
DateTime Original:2019:10:20 21:04:59
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Exposure Time:21544/1000000 sec
FNumber:f 2.2
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Focal length:3.5 mm
ISO:800
Make:LG Electronics
Model:LG-Q710AL
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sol
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Oct 21, 2019 at 01:17 PM Author: sol
If they are glass, it could be solarization. If the lamp was MV and the fixture was regularly exposed to intense sunlight, those are contributing factors.
HomeBrewLamps
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SodiumVapor 105843202020668111118 UCpGClK_9OH8N4QkD1fp-jNw majorpayne1226
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Oct 21, 2019 at 11:33 PM Author: HomeBrewLamps
These are plastic unfortunately. I'd love to have glass versions.

~Owen

Mercury Vapor LampHigh Pressure Sodium Scavenger, Urban Explorer, Lighting Enthusiast and Creator of homebrewlamps Cool High Pressure SodiumMercury Vapor Lamp

Lightingguy1994
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Oct 21, 2019 at 11:44 PM Author: Lightingguy1994
Ill take the lilac tint any day over gross yellow lol
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Oct 21, 2019 at 11:53 PM Author: HomeBrewLamps
I do like the blue one better for sure. Wish I could find more. Most are clear or really really yellowed out and rotten lol.

~Owen

Mercury Vapor LampHigh Pressure Sodium Scavenger, Urban Explorer, Lighting Enthusiast and Creator of homebrewlamps Cool High Pressure SodiumMercury Vapor Lamp

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