What does the skylight mirror do? What types are there?

The sky light mirror is very similar to the UV mirror, except that the UV mirror only absorbs ultraviolet light, while the sky light mirror also absorbs part of the blue-green visible light.

In the process of shooting landscape films, the sky often gives the overall picture a light blue tone. After using a skylight mirror, this light blue tone disappears. Although to some extent, using skylight Mirroring will cause the colors to be unrealistic, but the effect he produced is indeed what most people like.

Main purpose: Take landscape photos to remove the ugly blue tint.

Problems: Shooting outside of daytime will cause a slight color cast.

Note: As a protective mirror, it does not have as wide a range of use as a UV mirror.

Digital cameras are not afraid of ultraviolet light. The UV filter is only used to protect the lens, while the polarizing filter can completely replace the skylight filter, and the effect is better.

So now the skylight mirror is almost useless