H&Y Revoring variable step-up rings allow filters to fit multiple lens thread sizes: Digital Photography Review
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Fotodiox Metal Step Down Ring Filter Adapter, Anodized Black Aluminum – Fotodiox, Inc. USA
FotodioX Macro Reverse Ring for Nikon Z (77mm) 77-NKZ B&H Photo
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18pcs 37- 82mm Step Up Down Camera Lens Filter Adapter Ring Bracket Set Kit 793811897630 | eBay
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FotodioX 77mm Reverse Mount Macro Adapter REVERSE-MOUNT-77MM-EOS
FotodioX 77mm Reverse Mount Macro Adapter
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