Benro NDX 1-7 Stop Slim Variable ND Filter 77mm

The Benro NDX 1-7 Stop Slim Variable ND Filter (77mm) lets you control the amount of light being blocked out one stop at a time for perfectly exposed images.

• Provides 1-7 Stops (0.3 - 2.1) of light control
• HD technology for enhanced retention of sharpness
• DND optical glass reduces chromatic aberration 
• AR multi-coating reduces flare and ghosting
• WMC coating to repel water and oil as well as giving a scratch-resistant surface
• Rugged black aluminium alloy filter ring 
• Slim design reduces chances of vignetting