Lindsey Optics Brilliant Variable Neutral Density Filter (4×5)

The Brilliant Variable Neutral Density Filter from Lindsey Optics uses two 138mm circular polarizers to create a single variable ND in a 4 x 5.65″ frame. This aluminum and glass filter occupies two filter slots in a 4 x 5.65″ matte box and rotates using two geared thumbwheels. It offers 2 to 8 stops of neutral-color light reduction and features IR pollution reduction and an anti-reflective multi-coating.