82mm ND8+ND64+ND1000 Lens Filter Kit with 3 Vacuum Cleaning Cloths and Filter Pouch, 24 Layer Multi-coated HD Optical Glass, Nano-Dazzle Series

SKU: SKU.2049V1

Q
I'm new. I know what an nd filter does but is this a constant 6 stop or imcrements?
Answer Question
A
These are constant at 3 stop, 6 stop and 10 stop