Cokin CPL Harmonie 40.5mm polarizing filter

The Cokin PURE Harmonie CPL is an ultra-slim circular polarizing filter designed to reduce glare, eliminate reflections and deepen blue skies without vignetting, even with wide-angle lenses. Only 4.5 mm thick with a lightweight aluminium ring, it is one of the slimmest polarizers available.

Key features

• 40.5 mm thread; ultra-slim 4.5 mm aluminium alloy ring
• 16-layer EVERCLEAR 5 anti-reflective coating on each glass surface
• Hydrophobic and oleophobic coating for easy cleaning
• Schott optical glass for maximum colour accuracy
• ~45% average light transmission; filter factor of approximately 1 stop
• Rotating front ring for precise polarization control