Description Kase Wolverine series filters are has excellent optical quality tested by many independent reviews and global photographers. The KW glass is shock resistant, which add extra durability at an occasional accidental drop during shooting. With minimal color cast, you will be able to capture true color of the nature, and great sharpness due to the high quality optical glass. The filters have nano coating on, which makes our Wolverine series filters scratch resistant, great water-proof, anti-reflective, and easy to clean. The Kase Wolverine Soft GND filters are perfect for mountain and architecture photography. . The Kase Wolverine Reverse GND filters are your perfect companion sunrise and sunset photography. The design of these filters is done so that not only do you have a transition from clear to ND, but the ND range goes from stronger in the centre to weaker on the top portion of the filter. Perfect for dealing with the most light being on or near the horizon line, without over affecting the top of your frame.