ND64 Square Filters (1.8/6 Stops) 100*100mm Optical Glass Neutral Density Gray ND Filters Ultra Slim HD Nano-Coating Waterproof & Scratch Resistant

SKU: KF01.1146

Hello if my objective is 67mm then the one with 67mm can't fit or it has to be a bit bigger because of the thread?
Answer Question
You choose the diameter that is written on the lens. That is the right size for the lens. This is an assignment that you know which lens belongs to which.