Tiffen 77mm & 82mm Variable ND Filters on Sale This Week April 9, 2014 By Eric Reagan B&H has Tiffen variable ND filters on sale this week during NAB. The Tiffen 77mm variable ND filter is $108.95 (reg. $148.95) and the Tiffen 82mm variable ND filter is $119.95 (reg. $179.95). Check them both out here at B&H Photo.