The 77mm True-Match Vari-ND Thread-In is a single low profile filter with both True-Match Polarizing filters in the correct orientation for maximum ease of use and efficiency. The low profile ring prevents vignetting on most DSLR and Video Camera lenses. Step rings are available in common sizes to adapt the 77mm size to smaller lens thread diameters.
- 0.4-3.3 Variable Neutral Density Filter
- Increase Exposure by 1.3 to 11 Stops
- Eliminates Blue Color Shift at ND 3.3
- Water-White Schott Glass