Aputure DEC Electronic Variable ND Adapter for Panasonic GH5 | 4K Shooters
Z Cam's electronic variable ND filter for their 6K and 8K cameras is now available - DIY Photography
Variable ND filter for film — Cinefade
Amazon.com : Tilta Mirage Motorized VND Kit — Wirelessly Controlled Variable ND Filter, Wireless Motor, and Controller | Compact Matte Box for DSLR, Mirrorless, Gimbals, Drone + More | MB-T16-B : Electronics
Amazon.com : K&F Concept 67mm Variable ND Filter ND2-ND32 Camera Lens Filter (1-5 Stops) No X Cross HD Neutral Density Filter with 28 Multi-Layer Coatings Waterproof : Electronics
Variable ND filter for film — Cinefade
New Kipon EF to E-mount electronic adapter with variable ND filter is in Stock at Adorama and Amazon US/DE - sonyalpharumors
Quick Look: Variable ND Filters by Adam Wilt - ProVideo Coalition
ND Filters – In Depth Guide For Beginners — The School of Photography - Courses, Tutorials & Books
Introducing the Tilta Electronic Neutral Density Filter (TE-ND) for RED DSMC2 - YouTube
Z CAM eND Module for E2 Flagship Series ND101 B&H Photo Video
Tiltamax TE-ND - Electronic Vari ND Filter PL Mount Adapter for RED | CineD