40.5mm

Key Features:

• Softens highlights and reduces contrast for a dreamy, cinematic look
• Minimizes skin imperfections for smoother, more flattering portraits
• 18-layer nano-coating for durability and clarity
• Made from premium Japanese AGC optical glass
• Ultra-slim 3.3mm frame prevents vignetting on wide-angle lenses
• Non-slip CNC-machined aluminum for easy handling
• Compatible with 40.5mm lens threads