K&F Concept Black Mist 1/4 Filter 4x5.65 inch for Matte Box (KF01.2451)

The K&F Concept Black Mist 1/4 Filter is a professional-grade rectangular diffusion filter designed for standard 4x5.65 inch matte box systems, including Tilta and SmallRig. It softens highlights, reduces contrast, and adds a cinematic haze to your footage, perfect for filmmaking and portrait photography.

Advantages

Creates a dreamy, cinematic look by softening skin tones and reducing blemishes. The 1/4 diffusion strength provides a subtle yet noticeable effect, ideal for achieving a vintage film aesthetic without overdoing it. Multi-layer nano coating ensures water and scratch resistance, while anti-reflection properties minimize flare.

Suitable for

• Filmmakers using matte box systems (Tilta, SmallRig, etc.)
• Video production requiring soft, ethereal visuals
• Portrait photographers seeking flattering skin rendering

Key specifications

• Filter Type: Black Mist Diffusion
• Diffusion Strength: 1/4
• Size: 4x5.65 inches (101.6 x 143.51 mm)
• Optical Material: High-quality optical glass
• Coating: Multi-layer nano coating (water-resistant, scratch-resistant, anti-reflection)
• Glass Thickness: 4 mm
• Compatibility: Standard 4x5.65 matte box drop-in slots

Recommendations

For best results, pair with a matte box and follow proper handling procedures to maintain the coating. Ideal for narrative films, music videos, and creative portraits.