Concept 37mm Variable ND Stepless Nano Water and Oil Series K&F Filter, ND3-ND1000, 360° Adjustment, 24-Layer Coating, Repellent, NANO-D [Manufacturer

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This 37mm variable ND filter is compatible with 37mm lenses (ND3-ND1000). Please confirm your lens size before purchasing. While there may be a mix of old and new exteriors, the internal components are identical. [ND3-ND1000 Adjustable] This neutral density filter reduces light without affecting color. It offers 11 levels of adjustment (1.5-10.0) from ND3 to ND1000. While retaining the versatile expressive potential of the lens, you can use slow shutter speeds in strong light environments to create smoother images of seas of clouds or flowing water in waterfalls, or leave light trails on your subject. [Reflective Reduction and Excellent Material] The coated optical glass reduces reflections, allowing you to capture the transparency of underwater scenes, landscapes reflected on the water surface, and wet leaves. The metal frame provides excellent durability and abrasion resistance, while being lightweight and easy to carry. The slim design is compatible with wide-angle lenses. Water- and dirt-repellent: Made with premium Japanese glass, the filter surface is treated with 32 layers of nano-coating for water and oil repellency. Shoot with confidence in harsh environments like rivers, mountains, and deserts. High-quality reinforced optical glass significantly reduces lens flare and ghosting, suppressing reflections and allowing you to freely capture bright, colorful photos. [Thin Frame & High Transmittance] Even though it is an adjustable type, it uses an ultra-thin glass of only 7mm, and the thin frame specification is compatible with wide-angle lenses. It achieves high transmittance and low reflection, maximizing the original imaging power of the lens. *K&F CONCEPT is the world's No. 1 brand in terms of lens filter online sales volume among camera-accessory-focused brands. Source: Euromonitor, 2024 data. Variable ND filters, ranging from ND3 to ND1000, reduce brightness by 1.5 to 10 f-stops without changing color balance. ND3-1000 filters are often used for video. These variable ND filters are made with high-quality Japanese optical glass. Both sides of the filter glass are polished to balance the light transmission path and ensure image quality.