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The FotodioX 82mm-145mm WonderPana FreeArc Aluminum Step-Up Ring permits the use of Fotodiox 145mm filters and other round, 145mm threaded filters on lenses with 82mm front filter threads. It features a 360° rotating design to better accommodate polarizing or graduated filters that are enhanced by varied positioning, and is compatible with the FotodioX WonderPana 6.6" Holder Bracket. That holder bracket enables the use of two 2.5 to 4.0mm-thick filters measuring 6.6" wide, or one 2.5 to 4.0mm-thick filter measuring 6.6" wide along with one FotodioX 145mm round filter behind it.
This step-up ring features an aluminum-alloy construction that has a corrosion-resistant, matte black, anodized finish for durability and to minimize reflections.
In the Box
FotodioX 82mm-145mm WonderPana FreeArc Aluminum Step-Up Ring