NiSi Cinema 4×5.65 Black Magic Diffusion 1/4

The NiSi Cinema 4×5.65 Black Magic Diffusion 1/4 is a cinema-grade filter designed for professional filmmakers seeking precision control over diffusion effects. Crafted from premium optical glass, the filter combines a high-precision nano-lenslet array with black mist technology to create a hybrid diffusion effect that softens digital harshness while maintaining critical detail and colour accuracy. At 1/4 stop strength, this filter delivers controlled highlight smoothness without excessive blooming, making it ideal for achieving a cinematic, ethereal look directly in-camera. Built for industry-standard matte boxes, it integrates seamlessly across multiple lenses and camera systems, offering the durability, precision, and reliability required on professional sets.

• Premium optical glass construction with nano-lenslet array and black mist technology for hybrid diffusion
• Delivers controlled glow and softened highlights whilst preserving skin texture detail and sharpness
• Cinema-standard 4×5.65 format for rapid filter swaps and compatibility with professional matte boxes
• Available in multiple strengths (1/8, 1/4, 1/2, and 1 stop) for complete creative control
• Maintains true colour saturation and contrast, adding subtle film-like halation without harsh digital appearance