Tiffen 49mm 0.9 ND Filter is a solid neutral density filter providing a 2 stop exposure
Type Solid neutral density
Dimension 49diameter mm x 5 mm thick
Filter factor 0.9 (3 stop)
Effect Lowers the brightness uniformly throughout the scene.
Application When the ratio of brightness exceed the the latitude of the film or you need longer exposure time or a greater iris aperture obtaining a shorter field depht.
Material Glass
Front Filter Thread Size 49 mm
Tiffen
