| 摘要 |
<p>The film comprises a first layer having the thickness of 0.25=F0.01 O( O; definite wave length of visible ray), second layer 0.53=F0.01 O, third layer 0.53=F0.01 O and fourth layer 0.25=F0.01 O, wherein the first, second, third and fourth layer each comprises, in series, SiO2, CeF3, ZrO3, SiO2 and formed on a lens of synthetic resin, the multi-coating is performed less than 74 deg.C, and the synthetic lens comprises polystylene or PMMA.</p> |
