POLARPRO BASECAMP - VARIABLE ND 6/9 FILTER
Brand: PolarPro
BaseCamp VND Filters must be used in tandem with the Circular Polarizer to operate between the desired variable stop range. Stop Reduction - 6-9Optical Density - 1.8 - 2.7Light Transmission Percentage - 1.563% - 0.195%
https://shopping.truda.io/product/polarpro-basecamp-variable-nd-69-filter
BaseCamp VND Filters must be used in tandem with the Circular Polarizer to operate between the desired variable stop range. Stop Reduction - 6-9Optica