@@ -46,4 +46,12 @@ Because the whole GL55 Serias has it's spectral peak at 540nm (green) and the LD
The cylindrical 5mm green LEDs I found were Kingbright WP483GDT which cost ~0.30 Euros per piece or unlabeled ones for 0.026 Euros per piece ([pack of 1000 at amazon](https://www.amazon.de/wholesaleled-Flat-Pins-hellgr%C3%BCn-1000-St%C3%BCck/dp/B01G8OIX64/ref=sr_1_1?ie=UTF8&qid=1508150244&sr=8-1&keywords=5mm+LED+green+flat))
### Light isolation
Once glued together one should isolate outside light from entering the fixture. There are different ways to do this. One could use one or more black heat shrink tubes (which have the problem of letting light in at the front) or dip the fixture into black liquid plastic.
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Once glued together one should isolate outside light from entering the fixture. There are different ways to do this. One could use one or more black heat shrink tubes (which have the problem of letting light in at the front) or dip the fixture into black liquid plastic.