Hoya 77mm HD Nano UV filtrs

The UV filter is a general use, clear filter that helps to absorb ultraviolet light. No additional coloration or contrast is provided, allowing you to pair this filter with others.
The UV filter is also useful as a general protective filter to leave on lenses at all times. Filters help to reduce dust and moisture from reaching your lens element and provide additional protection in case of drops or situations where scratching could occur.

• New 32 layer ultra-smooth, ultra-hard nano coating
• Stain resistant, water & oil repellent coating makes everyday maintenance easier
• Ultra-hard surface coating is 800% more scratch resistant than general coating
• High Density Sharp Cut UV glass
• Chemically Enhanced Optical Glass is 4x Stronger than usual optical glass
• Very Thin Frame, Front thread to attach lens caps and other filters 
• Press mount technology holds glass securely