B+W Master Circular Polarizer MRC nano Käsemann 67mm Filter

Professional-grade circular polarizer filter with 67mm thread, engineered to eliminate reflections and glare while boosting colour saturation and contrast. The Käsemann optical glass with MRC nano coating delivers exceptional clarity, water and dirt repellency, and scratch resistance for demanding outdoor photography.

Advantages

Multi-Resistant nano coating repels water, dust, and fingerprints, ensuring easy cleaning and long-lasting performance. The brass frame provides durability and smooth mounting, while the high light transmission preserves image quality with minimal exposure adjustment.

Suitable for

• Landscape photography to darken blue skies and enhance foliage
• Architectural shots to reduce reflections from glass and water
• General outdoor use where glare control and colour fidelity are critical

Key specifications

• Filter type: Circular Polarizer (CPL)
• Filter diameter: 67 mm
• Coating: MRC nano (Multi-Resistant Coating with nano-coating)
• Glass type: Käsemann (KSM) optical glass
• Filter factor: 2-3 stops (approx. ND 0.6-0.9)
• Frame material: Brass
• Water repellent: Yes
• Dirt/dust repellent: Yes
• Scratch resistant: Yes
• Anti-reflective: Yes
• Front filter thread: Yes, 67mm
• Series: Master
• Manufacturing country: Germany

Recommendations

For optimal results, rotate the filter ring to achieve the desired polarizing effect. Use a lens hood to prevent flare and store the filter in a protective case when not in use.