Fotodiox Fotodiox WP145-Core-SM1224II-Cap WonderPana Filter Holder for Sigma 12-24 mm F-4.5-5.6 EX DG ASP HSM II Wide-Angle Zoom Lens and Ultra Wide Angle Lens Filter Adapter

Challenging shooting scenarios often for adding a lens filter to save the shot. However when you're shooting with an Wide Angle or Ultra Wide Angle lens, the bulbous front lens element and lack of threads make it impossible to add filters - until WonderPana. The WonderPana is a complete filter system designed expressly for filtering UWA and WA lenses without vignetting. With a selection of 20+ different lens mounts, plus over 25 different filters, there is a perfect creative combination for any photographer or videographer. We offer 145mm round circular polarizer filters, neutral density ND4-1000, and a selection of 6.6-" soft and hard edged rotating square gradient filters. Features Provides the ability to mount a variety of 145mm filters and moreDoubles as a hood to help protect your lens from damage, scratches, fingerprints and the elements All metal build, attaches to the lens securely as if it was a part of the lens itself Ultra wide angle construction to eliminate vignetting 24 Month Warranty WonderPana 145 Core: 145mm Filter Thread Enabled Included 145mm Lens Cap WonderPana FreeArc Core: Rotating Filter Stage 6.6-" Filter Enabled via Included Brackets 145mm Filter Thread Enabled 6Included 145mm Lens Cap WonderPana Absolute Core: Allows Lee SW-150mm Filter Holder to be Attached Allows Cokin Z-Pro 100mm Filter Holder to be Attached 45mm Filter Thread Enabled Included 145mm Lens Cap Specifications Handle: Wpcore-Sm1224Ii Weight: 908 g