ND2-400 67mm ND Lens Filter Optical Glass Adjustable ND400 Neutral Density Camera Lens Filter

• ND filter is also known as a neutral density filter. This filtering effect is non-selective, that is, the ND filter is equally and uniformly capable of reducing light of all different wavelengths
• Made of quality optical glass and aviation aluminum alloy frame, waterproof, slim and lightweight, ensuring durability
• Adjust the gray level arbitrarily, from ND2 to ND4 and then to ND8, up to ND400
• This applies to all lenses
• Reducing the intensity of light without significantly changing its color
• Easy to remove and install

Specification:

• Diameter: 67mm
• Material: Optical glass
• Application: Use large aperture or slow shutter speed during the day to create special effects