... , no inside bubble and dirts,5. By AR coating or Aluminium Coating : the lens has better transmission more than 95% or ... 99.50% 6. Function: Guide of the light beams, Aluminium reflector or glass reflector used as lamp reflector.7. Application ... , Electronics, Electrical apparatus, Industries, e.g. Lamp cover, Lamp shade, Stage lens, LED lens, Reflector lens, Sight lens, Front lens, Refractor ...