Holds two filters up to 5.65x5.65 or 5x6, both filters individually rotatable. Requires
K2.65032.0 - MB-20 Swingaway Module for use with R2 Rings. Holds two filters up to
5.65x5.65 or 5x6, both filters individually rotatable. Requires K2.65028.0 in addition for use"
with reflex prevention ring or round filter holder. Also compatible with K2.65030.0 - MB-20
Clamp-On Module, 130mm clamping diameter