Ruili Slim Fader Variable 82mm ND Filter Adjustable ND2 to ND400 Neutral Density Lens Filter for DSLR Camera

• Attention: Please do not put the filter out of the ND400, otherwise a cross shadow will appear in the photo.
• Optimal color saturation and clarity. High-quality, sturdy metal frame
• Made from high-quality optical glass - "swallow" 8 aperture stops, meaning that it allows exposure time to be extended by a factor of a thousand
• Thanks to the slim filter mount, there is no risk of filter capture vignetting (shadowing) in the corners of the pictures, making it perfect for wide-angle lenses/zooms.
• Special processing process ensures a smooth surface

Technical data: Filter size: 82 mm. Frame profile: standard. Filter density: ND2 to ND400. FStop reduction: 1 to 8 (adjustable). Double threaded: yes. Multi-coated: yes (3 coatings). Optical material: quality Schott optical glass. Frame material: aluminium.