FotodioX GoTough WonderPana Go System to 77mm Step-Up Ring

FotodioX GoTough WonderPana Go System to 77mm Step-Up Ring Overview

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Additional Details

• The Fotodiox GoTough WonderPana Go System to 77mm Step-Up Ring allows the GoTough WonderPana Go Filter System for GoPro Hero3 to use 77mm filters.
• The ring features an anodized aluminum construction.