Haida M10 100x100mm Insert Variable Square ND Filter, 2mm Thickness HD4591

The 100x100mm Insert Variable ND Filter (2mm Thickness) from Haida offers a unique way of maintaining total control over your depth of field as well as presenting an efficient way to create some special effects. Combining with the Haida M10 Drop-in CPL, which makes the holder system become the Variable ND filter easily. Rotating the wheel on the CPL, adjust the ND to the stops you need.Fast and Flexible Variable ND• Combine with Haida M10 Drop-In Circular Polarizer Filter, suggestion stops: 1-4 stops (ND2-ND16)• Combine with Haida M10 Drop-In Neutral Density and Circular Polarizer Filter (3-Stop), suggestion stops: 3-5 stops (ND8-ND32)• Combine with Haida M10 Drop-In Neutral Density and Circular Polarizer Filter (6-Stop), suggestion stops: 6-9 stops (ND64-ND500)Insert variable ND filter is compatible with the 100mm filter system, which is designed for use with most lenses and camera types.10 additional scratch-resistant hydrophobic coatings on each glass surface further protect the filter substrate and result in an improved beading effect when in contact with water or oil for greater cleaning efficiency.Rounded edges for easier placement within a compatible filter holder slotConstructed from high quality optical glass for clarity as well as color fidelity.Metallic filter case for storage and transport.