K&F CONCEPT 58mm ND100000 Optical Glass Filter Neutral Density 16.5 Stop ND

• 16.5 stops ND filter: Ultra-dark with an exposure factor of 16.5 f-stops.
• Optical Glass: ND100000 Use optical glass safer than Bard film, ensuring clearer HD photos.
• 18-Layer Coating: Filter with 18-layer coating technology with 0.6% reflectivity to avoid severe glare and ghosting during shooting.
• 3.3mm slim frame: Double threaded frame to allow additional filters or hoods, the surface of the frame is oxidized and sandblasted, which can effectively avoid the entry of stray light to a large extent.
• 3x Cleaning Cloth: 3 pieces of vacuum-packed cleaning cloth included, safe and clean, to ensure no damage to the lens/filter.

1.16.5 stops (5.0) light reducing filter, precise light reducing stops. 2. Lens filters use optical glass safer than Bard film, clearer imaging. 3.Filters use 18-layer coating technology with 0.6% reflectivity to avoid serious glare and ghosting during shooting. 4.The frame is designed with CNC trapezoidal pattern to increase the friction in rotation and mount/remove the lens anytime, anywhere. 5. The surface of the frame is oxidized and sandblasted, which can effectively avoid the entry of stray light to a large extent; 6. Complimentary 3 pieces of vacuum-packed cleaning cloth, safe and clean, to ensure no injury to the lens/filter.