Neewer Nd1.8 (6 Stops) Square Nd Filter, 4''X5.65'' Dual Sided 30 Multi Nano Coated Cinema Neutral Density Filter For Neewer Mat

?Matte Box Nd Filter? Designed For Neewer Matte Box, Also Compatible With Tilta Compatible With Smallrig Mini Matte Box And Filter Frame. The 4''X5.65'' Sqaure Filter Enables Better Control Over Shutter Speed And Aperture, Avoids Overexposure And Balances Image Exposure, Perfect For Photography And Videography Under Bright Sunlight With Motion Blur Effects | ?Hd Optical Glass With No Color Cast? Hd Optical Glass Delivers High Clarity And Ensures No Color Balance Affected. Instead Of Threading Onto Lenses, The Square Nd Filter Is Mounted On A Matte Box And Suits Lenses Of Various Focal Lengths, Perfect For 8K And 4K Video Recording | ?Nd1.8 Filter With 1.56% Light Transmittance? The Nd1.8 Neutral Density Filter Blocks 6 Stops Of Light From Entering Into Camera Lens And Features 1.56% Light Transmittance. The Number 1.8 Stands For The Filter