Supply Ability: | 10000 Piece/Pieces per Week |
Minimum Order Quantity: | 500 Piece/Pieces |
Payment Terms: | T/T,Western Union |
double-concave lenses have negative foccal lengths, diverge collimated incident light and form only virtual image which are seen through the lenses. They are often used to expand light beam or increase focal lengths in existing systems and are normally used in combination with ...
Come From Toptec Optics, Inc.
90mm Led Glass Lens optics for High Bay Light (RH-HBL-03) RH-HBL-03 Main parameter Model No RH-HBL-03 Material high borosilicate glass Refractive index 1.474 Light transmittance 95% Working temperature -50-550 degree Photometrical curve round light shape Diameter 90mm View ...
Come From Shanghai Reeth Glass Lens Co.,Ltd
Lenses Color:Grey Coating:HMC Vision Effect:Photochromic Lenses Material:Resin Brand Name:AMIGO 1.61 Single vision Super Hydrophobic lens HMC+EMI+UV400 Best quality in china. Have semi-finished lens ...