77mm Variable Neutral Density FilterProvides 1.3 to 6 Stops of Light ControlRotating Ring to Choose Degree of NDLarger Front Filter Ring to Avoid Vignetting SpecificationsThread diameter: 77mm (rear), 86mm (front)Weight: 82g
52mm Variable Neutral Density FilterProvides 1.3 to 6 Stops of Light ControlRotating Ring to Choose Degree of NDLarger Front Filter Ring to Avoid Vignetting SpecificationsThread diameter: 52mm (rear), 62mm (front)Weight: 48g
62mm Variable Neutral Density FilterProvides 1.3 to 6 Stops of Light ControlRotating Ring to Choose Degree of NDLarger Front Filter Ring to Avoid Vignetting SpecificationsThread diameter: 62mm (rear), 72mm (front)Weight: 60g
82mm Variable Neutral Density FilterProvides 1.3 to 6 Stops of Light ControlRotating Ring to Choose Degree of NDLarger Front Filter Ring to Avoid Vignetting SpecificationsThread diameter: 82mm (rear), 86mm (front)Weight: 76g
kit 52-62-77-82mm Variable Neutral Density FilterProvides 1.3 to 6 Stops of Light ControlRotating Ring to Choose Degree of NDLarger Front Filter Ring to Avoid Vignetting