6.6 x 6.6" Double Fog Filter Density:1 The 1 density provides less

The 1 density provides less contrast adjustment than the 2 density

This filter measures 4 x 4" / 101

Potential near-infrared or infrared color shifts are prevented or minimized

and the head can be used for tilt and pan movements

emulating the effects of a smoke or fog machine

6.6 x 6.6" Double Fog Filter Density:1 The 1 density provides lessThe Tiffen 2 x 3" Double Fog 3 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 3 density provides more fog effect that the 2, but less than the 4, and requires no exposure compensation.