Overview: (Third Party) The filter holder is used for setting the filters onto the camera. 3 slots for square filter How to use:1. Screw the ring adapter onto your lens.2. Slide the filter holder on the ring adapter until it snap in place.3. Slide the filter into one of the filter holder slots which is depended by your filter's size. Contains: 1 x Filter Holder Specification: Weight Approx:18.4g Size Approx:9.5 x 9 x 2