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Tiffen's 138mm Variable ND in Matte Box Mountable Rubber Donut for 143mm Openings provides approxiately 6-stops of variable nuetral density control without taking up any filter tray space. The variable ND is incorporated within a rubber donut that fits into a wide variety of matte boxes with a 143mm rear opening. It features a minimum of 2- and a maximum of 8-stops of light attenuation.
The variable ND has no impact on the field of view that a standard donut that accepts a 138mm filter has, so there is no change to your workflow or shooting style. It features evenly spaced index marks from 2- to 8-stops, but these are not calibrated marks and do not indicate amount of attenuation. A 114mm threaded rear ring accepts ARRI R2 compatible threaded reduction rings. The rubber donut is compatible with matte boxes from ARRI, Tilta, Movcam, Vocas, and Bright Tangerine.
Up to 6-stops of VND (Variable Neutral Density) with a minimum of 2-stops going up to 8-stops (ND.6 to ND2.4)
Fits directly into select rod-mounted matte boxes with a 143mm rear port
Rubber donut is supplied with a 114mm light prevention ring, which accepts ARRI R2 compatible threaded reduction rings
Outside of the ring features non-calibrated indexed markings for minimum and maximum settings
In the Box
Tiffen 138mm Variable ND in Matte Box Mountable Rubber Donut for 143mm Openings