Tiffen 5.65 x 5.65" Streak 1mm Filter Superlux HD-681 The filter sits on a

The filter sits on a telescoping shaft that can be adjusted from 7 to 12" of height

This filter is made of durable

3/8"-16x1/2" Flat Head Cap Screw

Fast Chain-pull Background Change

Tiffen 5.65 x 5.65" Streak 1mm Filter Superlux HD-681 The filter sits on aSingle Light Ray from Point Light Source Etched Lines are Spaced 1mm Apart Optical Grade Glass Construction The 5. 65 x 5. 65" Streak 1mm Filter from Tiffen is a special effects filter designed to render a single light ray from a point light source. This filter features a single series of etched lines spaced 1mm apart from each other, which run diagonally across the filter surface. When the filter is rotated, the orientation of the light ray can be