Haida 52-77mm Magnetic Step-Up Ring Nisi Filters 7 (ND12 to ND400) 4

7 (ND12 to ND400) 4 Stop to 9 Stop Neutral Density Filter

then it's just an easy "drop-in" process to inserting filters

this kit offers ND0

• Combine with Haida M10 Drop-In Neutral Density and Circular Polarizer Filter (6-Stop): 6-9 stops (ND64-ND500)

Haida 52-77mm Magnetic Step-Up Ring Nisi Filters 7 (ND12 to ND400) 4Haida 52 77mm Magnetic Step Up Ring The Haida 52 77mm Magnetic Step Up Ring screws onto the 52mm filter thread of your compatible lens. It lets you magnetically attach 77mm filters from Haida's Magnetic Series. It allows you to step up to 77mm and quickly and easily swap various types of 77mm Haida magnetic filters.