Filter holder for film cameras, comprises circular polarization filter whose rotational setting is adjustable by hand or drive

摘要

The filter holder is provided with a circular polarization filter (4) located rotationally in the filter holder, the rotational setting in the rectangular holder is adjustable by hand or by a drive, and is enclosed by a filter frame (4) located rotationally in the filter holder, which at the outer circumference is provided with teeth (6) rotating the polarization filters (5) of different manufacturers, which are exchangeable.