K&F Concept 40.5mm Variable ND3-ND1000 (1.5-10 Stops) Neutral Density Lens Filter D-Series Optical Glass

The K&F Concept 40.5mm Variable ND3-ND1000 (1.5-10 Stops) Neutral Density Lens Filter is designed for camera lenses, offering precise light control. Crafted from premium AGC optical glass with 24 multi-layer coatings, it ensures superior image quality by reducing reflections and glare.

Key Features:
- Provides 1.5-10 stops of light reduction, enabling slow shutter speeds for creative effects like silky smooth water in waterfalls, or enhanced sunrise and sunset photography.
- Utilizes imported AGC optical glass with 24 multi-layer coatings to minimize reflections and glare.
- Equipped with multi-layer hydrophobic and oil-proof coatings on both sides for protection and durability in adventurous conditions.
- Features an ultra-slim 7.4mm CNC-nonslip frame for quick installation and removal, preventing vignetting even at wide focal lengths such as 16mm.
- Compatible with all 40.5mm lenses. Please check your camera's lens thread size (indicated by a "ø" diameter symbol) before ordering. A 43mm lens cap is recommended for this filter.