Tiffen ND 3,6,9 grad 4x4
Comes with: set of 3 fliters. 0.3, 0.6, 0.9 grad
All grad. All 4x4
For all film types-color, black or white.
Ideal for situations with too much light intensity.
Great for producing blurred motion effects too.
You will need a matte box to mount 4x4 filters
ND 6-Reduces ISO by 1/4
ND 9-Reduces ISO by 1/8