Square Filter ND1000(10 Stops) 100x100mm with Protective Frame,Waterproof Neutral Density Filter Light Reduction made of HD Optical Glass Nano-Xcel Pro Series

SKU: SKU.1809

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.