The present invention provides an optical unit for high-resolution applications all lenses in which are made of plastics. The optical unit includes lens (
1
) and (
2
). The lens (
1
) is a plastic lens having an Abbe number of 45-60. The lens (
2
) is a lens injection molded from a polycarbonate material comprising a structure derived from spirobiindan and having a glass transition temperature of 120-150° C.
本发明提供了一种用于高分辨率应用的光学装置,其所有透镜均由塑料制成。光学单元包括透镜 (
1
)和(
2
).透镜 (
1
) 是一个阿贝数为 45-60 的塑料透镜。透镜 (
2
)是由聚
碳酸酯材料注塑而成的镜片,这种材料的结构来源于螺纹
茚满,
玻璃化温度为 120-150 摄氏度。