This is a kit that includes a mount adapter from Canon EF mount to E mount, with a detachable drop-in ND filter and a clear UV filter. Operation has been confirmed on the FX3 α7sⅢ. - Brand: MEIKE - Model: EF TO E-MOUNT - Filter Type: ND Filter - Features: Drop-in filter adapter - Accessories: Box, adapter Thank you for viewing. --- Meike Autofocus Lens Adapter with Variable ND Filter This mount adapter allows you to use Canon EF/EF-S mount lenses on Sony's high-performance E-mount mirrorless cameras. Built-in Variable ND Filter Solution The main feature of this product is the built-in high-quality variable ND (neutral density) filter inside the adapter. This product allows you to seamlessly adjust the density from ND2 to ND512 (1 to 9 stops) with the dial on the side of the adapter, allowing you to instantly respond to changes in shooting conditions. No claims or returns accepted. I will not respond to price reduction comments or requests. Sony adapter conversion adapter