The K&F Concept 82mm ND1000000 Ultra Dark ND Camera Lens Filter (20-Stop, Nano-X Series) is an extreme neutral density filter designed for DSLR and mirrorless camera lenses with a 67mm filter thread. With a fixed 20-stop light reduction (ND1000000), it is engineered for ultra-long exposure photography in extremely bright conditions.
This filter allows photographers to capture dramatic long-exposure effects such as smooth water surfaces, cloud motion blur, and reduced traffic trails even under intense daylight or bright sunlight. It is especially useful for creative landscape photography and advanced experimental exposure techniques.
Constructed from high-definition optical glass with 28-layer Nano-X multi-coating, the filter ensures improved light transmission control while minimizing reflections, flare, and ghosting. Despite its extreme density, it is designed to maintain optical clarity and reduce unwanted color shifts as much as possible for its class.
The waterproof, scratch-resistant, and oil-resistant coatings enhance durability and make the filter suitable for outdoor and harsh shooting environments. The slim aluminum alloy frame ensures secure mounting while helping reduce vignetting on wide-angle lenses.
Due to its extremely dark density, this filter typically requires manual focusing and pre-composition adjustments before attachment for best results.
| Brand | K&F Concept |
| Series | Nano-X Series |
| Product Type | Fixed Neutral Density Filter |
| Filter Size | 82mm |
| Optical Density | ND1000000 (20 Stops) |
| Glass Material | HD Optical Glass |
| Coating Technology | 28-Layer Nano-X Multi-Coating |
| Water Resistance | Waterproof Coating |
| Scratch Resistance | Scratch-Resistant Surface Layer |
| Frame Material | Slim Aluminum Alloy Frame |
| Color Shift Control | Minimized (Ultra Dark ND may still show slight shift) |
| Compatibility | 82mm DSLR & Mirrorless Camera Lenses |
| Applications | Solar photography, ultra-long exposure, daytime long exposure, creative landscape photography |
| Warranty Terms | No Warranty – replacement available if product is found defective within 5 working days. |
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| Product Categories | Filters |