About the product                  

                    The technical details behind this filter                    
Bring out the best in your photograph with ProMaster Variable ND Digital HGX 86mm Filter. The ProMaster Digital HGX Variable Neutral Density Filter variable neutral density filter provides light reduction of about 1.3 to 8.6 stops. The ND3 to ND400 density creates a darkening of the entire image, allowing you to photograph with a wider aperture or slower shutter speed than normally required.                    
Key Features                    
Next Generation Digital Anti-Reflection Multi Coating                    
REPELLAMAX™ Element Resistant Coating                    
Low Profile Anti-Reflective Frame                    
Hardened Optical Glass                    
Top three Reasons we think you will love this filter                    
Made from Quality Materials                    
Highly Reliable                    
Useful