Baader Filters LRGBC-H-alpha 36mm 7nm OIII and SII filter set

Included: Luminance (UV-IR blocking) single filter, clear glass filter and H-Alpha filter, OIII filter and SII filter

The L filter is a standard Baader UV/IR blocking filter and can be used for focusing, as well as for taking a luminance image. The C filter is clear glass, and is used for focusing images with RGB and line filters.