[Qver]

昨天朋友带回Skylight镜一个，不知能否当UV用，两者有何不同？

[hkhei]

The skylight filter is a UV filter with a pale rose tinge to it to warm images up. It is intended for use only with daylight-type color slide films to reduce excess bluishness. It is not needed with color negative film since any excess of blue can be controlled in color prints during the printing process.

From www.photographytips.com