FRESNEL LENS CG200-780 solar energy generation sunlight solar cooker solar power

  • Groove pitch of SOG is upside down to prevent contamination from outdoor usages.
  • SOG Fresnel lenses are 50~ 100% thicker than other Fresnel lenses.
  • Also Groove pitch is wider for high efficiency.
  • Also we design to use more 3mm Optical PMMA for loner life time and to have 0.5 ~ 1.0mm groove pitch for higher solar concentration.
  • (If groove pitch is density, then quality of image that is maginifed is clearer.If groove pitch is width, then efficince of concentration of light is higher.)

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