Tiffen ND 3,6,9 clear 4x4
Comes with: 3 separate filters ND3, ND6, ND9 all clear
All 4x4. All clear
For all film types-color, black or white.
Ideal for situations with too much light intensity.
Great for producing blurred motion effects too.
ND 6-Reduces ISO by 1/4
ND 9-Reduces ISO by 1/8