WonderPana Absolute 150 Kit - 150mm Filter Holder & Adapter Ring (fits Lee SW-150 Filter System) and 145mm Filter Ring Upgrade with 145mm Heavy Duty Inner Pinch Lens Cap - for the Nikon 14-24mm f/2.8G ED AF-S Nikkor Wide Angle Zoom Lens Premium Grade, Anodized Aluminum, WonderPana Absolute 150 Mount Allows the Lee SW-150 Filter Holder and Filters to be used on a variety of lenses The rear retention ring is compatible with all other Absolute and FreeArc WonderPana systems By changing the front adapter ring you can swap between the WonderPana, Lee & Cokin systems easily 24-Month Manufacturer Warranty