Fanum said:
Margus...have you tried these lights with a tinted visor at all???
I would have thought that the green colour of the lights woould be badly filtered out by the tinting (often a greeny colour) rendering the instrument lights prety useless???
Just wondering
Fanum, you're asking from 4th year physics student
Yep, very simple rule - they basically emit only one spectrum of light that is green (read: the green transparent cap "cuts out" other spectrums, well, not fully, but the green is dominant). If the tinted visor (it acctually lets through only one spectrum as well) screen with speciefic colour other than green then it will reduce the light.
But it doesn't mean it fully cuts out the light looking through other-colour tinted visor. As i told the bulbs i have have green transparent caps on - the lower part of the bulbs are acctually uncovered, meaning they also emit the typical "white" light (mixture of all spectrum colours) just they emit dominant-green.
With my sepia-toned anti-fog visor in my helmet i saw them very good in the middle of the night. Meaning they emit light in brown-spectrum as well. Previously i had blue antifog screen in my visor, then also the instrument bar was visible in the night relatively well with the green backlight.
I guess if you use LED's instead of regular bulbs, then you might have more serious instrument's visibility problems with tinted visor. LEDs usually emit EXACLY very speciefic wavelentht of the light, they don't have any components in other spectrum areas like the regular bulbs have.
But another factor is the "tint" of the visor - if you have regular "smoke" tinted visor, then it just cuts the intensity of all spectrum almost equally - meaing you see all the colours, but just with reduced intensity. But tinted with speciefic colour is another story, especially with LEDs.
So in conclusion - you must try it yourself to be sure
But in tinted visor scenario i'd recommend to use regular coloured bulbs, not LEDs.
Hope it makes sense...
Cheers, Margus
