This 4-stop, 82mm ND Filter is designed for use with the NiSi True Color VND and Swift System, extending the variable ND range from 1–5 stops to 5–9 stops when needed in bright shooting conditions. It enables wider apertures for superior depth of field control or longer shutter times for creative motion effects. Can be used as a standalone ND filter with the Swift Friction Mount System adapter ring.

Key Specifications:
- 4-stop (1.2 optical density) ND filter
- 82mm diameter
- Optical glass construction
- Metal filter ring

Notable Features:
- Anti-reflective nano multicoating
- Protective resistance coating
- Slim design prevents vignetting
- Precision stop scale
- Includes storage case