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The Tiffen 4.5" Round Fog 2 Filter simulates the effects of natural fog or mist by creating a soft glow around highlights and lowering the overall contrast of the scene. There can also be a softening effect due to how the light interacts with the subject matter. The 2 density provides a moderate amount of fog effect and requires no exposure compensation.
Tiffen filters are made using ColorCore technology, a process that involves laminating the filter substrate between 2 pieces of optical glass, grinding flat to a tolerance of 1/10,000th of an inch, and then mounting to precision metal rings.
Provides a fog-like effect with glowing highlights and lowered overall contrast.
2 density gives a moderate fog effect.
Does not require exposure compensation to make up for filter effect.