Tiffen 4 x 5.65" Double Fog Filter Density:4 They lower contrast uniformly

They lower contrast uniformly

the Rota Ring can be removed to allow the matte box to clamp further onto the lens for a wider field of view

The focus barrel features approximately 300º of rotation for smooth

The lens features a 20x zoom range of 50 to 1000mm

Tiffen 4 x 5.65" Double Fog Filter Density:4 They lower contrast uniformlyThe Tiffen 4 x 5. 65" Double Fog Filter simulates the effects of natural fog or mist by creating a soft glow around highlights and lowering the overall contrast of the scene. When compared to the standard Fog filter, this filter places greater emphasis on lowering the contrast while maintaining sharpness and minimizing the effects of flare. The 1 4 density provides more fog effect that the 1 8, but less than the 1 2, and requires no exposure