i*******m 发帖数: 580 | 1 两年前在同一家配眼镜,说 HIGH INDEX比 POLYCARBONATE 轻薄。
但今天换了个人说, POLYCARBONATE更轻更THIN。
WHO is right? | s****n 发帖数: 211 | 2 High index:
can be 1.74, 1.67, 1.60,
Polycarbonate: 1.59
Usually the high index we are talking about is 1.60 or above, that is
thinner and lighter than polycarbonate.
【在 i*******m 的大作中提到】 : 两年前在同一家配眼镜,说 HIGH INDEX比 POLYCARBONATE 轻薄。 : 但今天换了个人说, POLYCARBONATE更轻更THIN。 : WHO is right?
|
|