Choosing an LED Reflector / Optic - Recommendations?

Leichardti

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Hey guys. I’m trying to choose an LED optic / reflector for my DIY LED.
I’m building a DIY LED as some of you may have seen, usinf 25x Cree X-Lamps and some Luxeons.

I was planning on using one of the cheaper ebay 44mm reflector / optic combos, but are these actually any good?

Otherwise, what are some other good options that’ll fit a 21x21mm bank of LEDs?
I’m looking for a 90°-120° beam angle.
 
http://www.carclo-optics.com/optic-...beamangle=more than 45 degrees&beam=wide spot
83 degrees approx..

optic-10255-luxeon-REBEL-ES-white-spot-image.jpg


http://www.carclo-optics.com/optic-10211?optictype=tir&beamangle=more than 45 degrees
50 degrees for the TIR..
https://www.ledsupply.com/led-optics/10211-carclo-lens-ripple-wide-spot-led-optic
 

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