Ring the raising JJC SU 49-52 mm

The raising ring of JJC SU 49-52 mm-is used for increase in diameter of a carving from 49 mm to 52 mm as many lenses have a little widespread diameter of 49 mm, to pick up light filters of the necessary diameter happens very difficult. The raising ring allows to install the filter of the bigger size, instead of standard 49 mm. the filter, it is possible to install the filter of 52 mm.