T&y Foto 95mm Nd Filter Nd1000 10-stop For Sigma 150-600mm 50-500mm, Tamron Sp 150-600mm F/5-6.3 Di Vc Usd Lens - Camera Filters - AliExpress
Amazon.com : NiSi 95mm Swift True Color ND-Vario | 1-5 Stops Variable Neutral Density Filter | Adjustable ND, True-to-Life Color, No Vignetting, Optical Glass with Nano Coating | Photography and Videography : Electronics