K&F 77mm Black Diffusion 1/4 KF01.2250 filter K&F 77mm Black Diffusion 1/4 KF01.2250 filter 1/4 Black diffusion filter, C series ultra-thin multi-coated green coat designed to create a soft and diffused look to your images. This Ultra-Thin Black Mist 1/4 Filter is a camera filter design to create a soft […]