K&F CONCEPT 77mm Variable ND2-32 Filter Adjustable Fader Neutral Density ND2 - ND32 Filter,
https://tradeoutlet.shop/shop/pnic159246893-fla-k-f-concept-77mm-variable-nd2-32-filter-adjustable-fader-neutral-density-nd2-nd32-filter-5481806
https://tradeoutlet.shop/web/image/product.template/5481806/image_1920?unique=e500ea5
Untested
Amazon Item Reference:
B07H3S5417
