Canon Drop-In Variable-ND Filter A (1.5 to 9 Stop) (for Drop-In Filter Mount Adapter)

Variable ND filter for use with the Drop-in Filter Mount Adapter EF-EOS R. Drop-in Filter Adapter Allows Use of a Variable ND Filter (from ND3 to ND500 – equivalent to 1.5 to 9 f-stops).**When the solid white line on the adjustment dial is no longer visible (ND250 or above), a blue tinge or density irregularity may occur.