Graduated Filter Reverse GND8 0.9 (3-stop) 100x150x2mm Square Filter HD Optical Glass Waterproof ND Filter,Nano-Xcel PRO Series

SKU: SKU.1874

Q
Are these filters "solid colored" or are they coated on both sides and "clear" on the inside?
Answer Question
A
There are coatings on both sides, and the middle is transparent.