Nisi 40.5 Mm True Colour Variable Nd Filter 1 5 Aperture (Nd2 Nd32) Vnd Vario Nd Neutral Density Filter, Optical Glass With Mult

Exclusive True Colour Coating: Prevents The Yellow Tint That Is Common With Other Brand Filters And Ensures Absolutely Neutral Colour Rendering, So That No Colour Distortions Occur | No ''X'' Effect: Provides 5 Fixed Aperture Levels (Nd0.3-Nd1.5) And Allows Gradual Rotation Of The Filter Without The Dreaded ''X'' Effect | Multi-Nano Coatings: Up To 20-Layer, Anti-Reflective Coatings For Low Reflections, Water And Oil Resistant Coating On Both Sides | No Vignetting: Larger Front Thread To Avoid Vignetting On 16Mm Lenses, With A Filter Frame That Has A Matte Black Interior To Effectively Absorb Stray Light And Reduce Glare | Knurled Aluminium Frame: The Knurled Edges Of The Lightweight, Precision-Machined Aluminium Frame Of The Nisi Variable Nd Filter Allow Better Grip As Well As Easy Assembly And Disassembly