Self-Lock Frame, No ‘X crossSay goodbye to the “X” cross on images, K&F Concept utilizes cutting-edge technology to perfectly avoid the common “X” issue of variable nd filter on wide-angle and telephoto lenses.
multi-coatings
3-7 Stop Variable ND Lens Filter by K&F Concept
Self-Lock Frame, No ‘X crossSay goodbye to the “X” cross on images, K&F Concept utilizes cutting-edge technology to perfectly avoid the common “X” issue of variable nd filter on wide-angle and telephoto lenses.
Waterproof Variable ND Lens Filter (3-7 Stop)
Self-Lock Frame, No ‘X crossSay goodbye to the “X” cross on images, K&F Concept utilizes cutting-edge technology to perfectly avoid the common “X” issue of variable nd filter on wide-angle and telephoto lenses.


