






🎥 Capture the moment, control the light, own the frame.
The K&F CONCEPT 40.5mm Variable ND Filter offers professional-grade light control with 1-9 stops adjustable density, crafted from premium AGC optical glass featuring 18 multi-layer coatings for superior glare reduction. Its ultra-slim 7.4mm CNC-machined design ensures smooth rotation and secure fit on all 40.5mm lenses, making it an essential tool for photographers seeking precision and versatility in diverse lighting conditions.


| Special Effect | Neutral Density |
| Water Resistance Level | Waterproof |
| Coating Description | Multi Coating |
| Thread Size | 40.5 Millimeters |
| Photo Filter Size | 40.5 Millimeters |
| Item Dimensions L x W | 1.59"L x 1.59"W |
| Enclosure Material | Optical Glass |
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