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Fotodiox Fotodiox WP145-Core-SM1224-Cap WonderPana Filter Holder for Sigma 12-24 mm F-4.5-5.6 EX DG IF HSM Aspherical Ultra Wide Angle Zoom Lens and Ultra Wide Angle Lens Filter Adapter at Lowes.com
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Amazon.com : WonderPana XL FreeArc Core Filter Holder for Sigma 12-24mm f/4 DG HSM Art Lens (Full Frame 35mm) - Ultra Wide Angle Lens Filter Adapter : Electronics
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Fotodiox WP145-Core-OM714-Cap WonderPana Filter Holder for Olympus 7-14 mm F-4.0 Zuiko ED Zoom Lens & Ultra Wide Angle Lens Filter Adapter - Walmart.com
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Fotodiox WPABS-Core-TK1628-Cap WonderPana Absolute Filter Holder for Tokina 16-28 mm F-2.8 AT-X Pro FX Lens & Ultra Wide Angle Lens Filter Adapter - Walmart.com
![Fotodiox announces WonderPana 145 and 66 filter kits for wide-angle lenses: Digital Photography Review Fotodiox announces WonderPana 145 and 66 filter kits for wide-angle lenses: Digital Photography Review](https://www.dpreview.com/files/p/articles/8523465360/WonderPana66.jpeg)
Fotodiox announces WonderPana 145 and 66 filter kits for wide-angle lenses: Digital Photography Review
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Amazon.com : WonderPana XL 186 Core Filter Holder for Sigma 12-24mm f/4 DG HSM Art Lens (Full Frame 35mm) - Ultra Wide Angle Lens Filter Adapter : Electronics
![Amazon.com : Replacement 145mm Lens Cap for Fotodiox Pro WonderPana Filter Adapter (Works with WonderPana 145 & 66 Systems) : Camera Lens Hoods : Electronics Amazon.com : Replacement 145mm Lens Cap for Fotodiox Pro WonderPana Filter Adapter (Works with WonderPana 145 & 66 Systems) : Camera Lens Hoods : Electronics](https://m.media-amazon.com/images/I/41YKTJLa3aL._AC_UF894,1000_QL80_.jpg)