The Hama polarizing filter I have two different zoom lenses (17-50mm, f / 2.8 and 17-85mm f / 4-5.6) tested with a digital SLR. The elimination of non-metallic reflections works very well, but, surprisingly, is the possibility of influencing color images even more impressive. The only drawback of this filter is present on the rotary member pin, which should make turning easier. This pen does not fit into the existing with the lenses lens hoods, can, however, unscrew easily - and therefore the problem is solved.
