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NiSi 82mm Circular GND16 Filter | Rotating 4-Stop Graduated Neutral Density Filter | Long-Exposure and Landscape Photography
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NiSi 82mm Circular GND16 Filter | Rotating 4-Stop Features
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Graduated transitioned from a clear area to the darkened density of 1.2, or a 4 stop light reduction, on the other end
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Particularly useful for images that feature buildings, mountains and other elements that protrude into the skyline
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Front ring of filter rotates to change direction of graduation
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True to life color, No color cast
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High definition optical glass with NiSi Nano Coating on both sides - waterproof, anti-reflection, scratch resistant, and easy to clean
About NiSi 82mm Circular GND16 Filter | Rotating 4-Stop
The NiSi 82mm Nano Coating Graduated Neutral Density Filter GND16 1.2 Nano coated optical gradient filter is made from environmental optical glass (H-K9L). The glass is annealing environmental protection optical glass H-K9L. Double sides optical grinding and polishing to make sure the optical high parallelism and smooth which ensure the high sharpness of the image. Neutral density filter coated on double sides via 200C high-temperature coating. The spectrum curves and straight and flat. It's a soft transition from visible light to infrared light. There is anti-electrostatic coating can resist dust and also can endure wiping off the organic solvent. AR and water-proof coating on double sides make the filter won't fade after several years. A graduated neutral-density filter, also known as a graduated ND filter, split neutral-density filter, or just a graduated filter, is an optical filter that has a variable light transmission. Typically half of the filter is of neutral density which transitions, either abruptly or gradually, into the other half which is clear. It is used to bring an overly-bright part of a scene into the dynamic range of film or sensor. For example, it can be used to darken a bright sky so that both the sky and subject can be properly exposed. ND filters can come in a variety of shapes and sizes and densities and can be used in all types of photographic applications from still photography, motion photography and scientific applications.
