The Schneider White Frost Filter is primarily for picture styling or mood modifying. It subtly "flares" highlights and very slightly tones down contrast, while having no effect on image resolution or color reproduction.
They can also reduce picture contrast by lightening shadows, and can help create a romantic or period look. Depending on the strength, they enhance a scene, subtly or strongly. For a soft, romantic look, combine White Frost filter with a Schneider Classic Soft.
White Frost filters are available in strengths of 1/8, 1/4, 1/2, 1 and 2 - with 2 having the greatest effect