NDT Fusion Auto Adapter - Canon EF Lens to L-Mount Cameras w/ Variable ND – Fotodiox, Inc. USA
KIPON Mark 3 Neutral Density Autofocus Lens EF-S/E AF ND MARK 3
RED Digital Cinema RF to PL Adapter with Electronic ND Filter Pack for V-RAPTOR
Kipon launches EF to Sony E adapters with built-in variable ND filter: Digital Photography Review
Canon Drop-In Filter Mount Adapter EF-EOS R with Variable ND Filter
Canon Drop-In Filter Mount Adapter EF-EOS R with Variable ND Filter by Canon at B&C Camera
Amazon.com : Step Up Lens Filter Adapter Rings - Set of 9 - Allows You to Fit Larger Size Lens Filters on a Lens with a Smaller Diameter - Sizes: 37-49, 49-52, 52-55, 55-58, 58-62, 62-67, 67-72, 72-77, 77-82 mm : Electronics
ND Throttle | Lens Adapters With ND Filters Built-In
FotodioX Vizelex EF-L Adapter Released - Vari ND for L-Mount Cameras | CineD
Fotodiox Vizelex ND Throttle Adapter Canon EOS to MFT Mount + ND Filter
NEEWER Magnetic Variable ND Filter with Adapter Ring - NEEWER – neewer.com
BEST ND FILTER ADAPTER FOR THE SONY RX100 VII: MAGFILTER VS LENSMATE - YouTube
Kipon launches EF to Sony E adapters with built-in variable ND filter: Digital Photography Review
This Lens Adapter Now Includes An ND Filter | Digital Trends
Meike MK-EFTR-C Drop-in Filter Mount Adapter EF to Canon EOS R RP R5 R — Meike Global