Tritium Vial Luminous Output

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funkychateau

Enlightened
Joined
Apr 6, 2009
Messages
274
Location
Dallas, Texas, USA
Does anyone know the approximate luminous output of common tritium vials, perhaps as a function of size? For example, how large a vial is required to achieve 0.5 lumens of output?
 
AnAppleSnail

AnAppleSnail

Flashlight Enthusiast
Joined
Aug 21, 2009
Messages
4,200
Location
South Hill, VA
It would take an extremely large vial to get 0.5 lumens of output. I have had three tritium markers (Blue, green, and pink) of good quality in the 2mm x 15mm size. I estimate the output of all 3 together to be under 0.05 lumens, based on comparison to an RRT-01's infinite dimmable output, and other known-output lights.

There are a few globe-shaped tritium pendants - They are about $150 each and about 2cm in diameter. They might reach 0.5 lumens.
 
night.hoodie

night.hoodie

Banned
Joined
Aug 6, 2014
Messages
712
Rated lumen output, I have discovered recently, is only a Lando (a fair Pilot!). So much depends on the state of your eyes, and the qualities of light and what is nearby or further away to reflect/collect light. With adjusted eyes and dialated pupils, even subluminal light can be the perfect brightness, and a couple lumens blinding. The state of your eyes is a moving target-- hard to know before dark exactly what you're going to need or want until well-experienced, so best to have options. I found tritium to be quite interesting, but also outrageously expensive and disappointingly fragile.
 

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