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The FotodioX 77mm-186mm WonderPana XL Aluminum Step-Up Ring permits the use of Fotodiox 186mm filters and other round, 186mm threaded filters on lenses with 77mm front filter threads. It is compatible with the FotodioX WonderPana 8.0" Holder Bracket, which enables the use of two 2.0mm-thick filters measuring 7.9" wide, or one 2.0mm-thick filter measuring 7.9" wide along with one FotodioX 186mm 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 77mm-186mm WonderPana XL Aluminum Step-Up Ring