Perfect to protect the Built-in C-PL V5 or the new V5 Landscape Polariser
No need to put off the C-PL after use it, Leave it mounted and the cap will protect it from scratches and dust.
No need to remove your 82mm...
Ultra Low Color Cast, Ultra Low Reflection
Nano Coating on Both Sides, Water & Oil Repellent
Environmental Optical Lens glass(H-K9L)
Provide 4-stop graduated light reduction