Cine ND Throttle - Arri PL Lens to Sony E Cameras w/ Variable ND Filter – Fotodiox, Inc. USA
ND Clip Filter Series for Sony A1, A7SIII, A7R4, A7R5, A9II, FX3 Camer - STC Optics
Amazon.com : Meike MK-EFTE-C VND Drop-in Filter Auto-Focus Mount Lens Adapter for Canon EF/EF-S Lenses to Sony E Mount Cameras with Variable ND Filter and UV Filter A7SII A7 A6000 A6500 A7SIII
Kolari Magnetic Clip-In Filter Sets for Sony E-Mount (Full Frame) – Kolari Vision
Amazon.com : Meike MK-EFTE-C VND Drop-in Filter Auto-Focus Mount Lens Adapter for Canon EF/EF-S Lenses to Sony E Mount Cameras with Variable ND Filter and UV Filter A7SII A7 A6000 A6500 A7SIII
Kolari Vision Magnetic Clip-In ND Filter for Sony ECLIPIRND3PRO
Meike MK-EFTE-C Drop-In Filter Canon EF to Sony E Lens Mount Adapter Announced | CineD
Cine ND Throttle Adapter - Canon EOS EF Lens to Sony Alpha E-Mount – Fotodiox, Inc. USA