Schneider Classic Black Soft 1/2 4x5,65. Schneider Classic Black Soft filter combines the benefits of Classic Soft with the subtle effects of Black Frost. Ideal for close-ups, and can be used to facilitate a seamless transition in the look and continuity from scene to scene. This filter is available in strengths of 1/8, 1/4, 1/2, 1, and 2. These strengths achieve a subtle to a heavy diffusion.