The Kase K9 Filter Holder Slim Kit for 100x100mm and 100x150mm rectangular filter was developed as a filter holder solution for conventional filters with a thickness of 2 mm as well as for our new K100 SLIM filters (1.1mm thickness). The Kase K9 Filter Holder kit consists of: Kase K9 Kit 100mm filter holder adapter rings K100 Slim filter holder adapter rings: 77-90mm and...

The 86mm adapter ring was especially designed to use the Lowa 17mm lens with our K9 100mm filter system. The adapter ring can also be used on other lenses with a lens diameter of 86mm. The adapter ring contains the rotation mechanism known from the K9 filter holder system. This allows the polarizing filter to be rotated independently of the rectangular filters used in the...