Haida Premium Brass Shock-Proof UV Filter:

Features:

• 3.1mm ultra-slim brass filter frame with knurled edge for optimum grip
• Precision-engineered filter thread
• Schott B270 optical glass
• 18-layer NanoPro multi-coating on both sides of the glass, water- and dirt-repellent
• Light transmission up to 99.8%
• Shock-Proof construction to protect the front lens element from impacts and shocks