Specification: Filter Materials: Optical Glass Frame Materials: Aluminum Coating: Optical reduce reflective coating, Optical hydrophobic hard coating Features: --Pure optical glass The core of a filter is the properties of glass, optical glass is colorless and optical properties stability. Haida ProII VND use pure optical glass, in strict accordance with the production process required to complete every optical cold flow. --No color cast Filter the biggest technical difficulty is to control color cast, the filter has no effect on color balance. --1.5-5 Stops By rotating the filter, ND can be adjusted from 1.5 Stops to 5 Stops, No vignetting --Optical Coating The filter surface multi-coated reduce reflective coating can reduce light radiation to 0.4% or less. Optical hydrophobic hard coating give more protector to the filter and more easy to clean. Shipping and Handling1. We ship to Worldwide with a tracking number.
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