[67 mm]

Effect: Halo
Material: optical glass.
Filter size: 67 mm, 77 mm and 82 mm; the other calibre is a 77 mm filter with adapter.
For this Halo Fx filter, we recommend focusing between 24mm and 50mm.
Includes: filter, pouch, microfiber cleaning cloth

What does "add 58/62/67/72mm adapter" mean?
For the 58/62/67/72 mm calibre, buyers can use the adapter ring to attach to the corresponding lens.
"Add a 58/62/67/72mm adapter" which means a 77mm filter with a step ring.