K&F Concept Variable ND Filter ND2-ND32 (1-5 Stops) Neutral Density Nano-X Optical Glass Lens Filters with Waterproof & Scratchproof Multi-Layer Protective Coating and Ultra-thin Frame for DSLRs and Mirrorless Cameras

• Material: ND Filter: Made by Completed Professional Optical Glasses instead of Optical Resin. filter reduces the intake of light without affecting the overall color balance. For this 55mm ND filter the lens cap/hood should be 58mm. Because of the update of the product's package, the new and the old version will be sent randomly.
• No “X” cross on images: Say goodbye to the ""X"" cross on images, K&F utilize cutting edge technology you're going to say goodbye to this common issue with wide angle lenses and variable ND filters.
• NANOTEC: Our optical engineers developed new Nano coating layer technology， Waterproof, scratch-resistant, anti-reflective green coating, effectively prevent from oil, fingerprint, scratch, protect valued lens.
• Professional Design: Ultra slim rim design preventing wide angle vignetting. Extra tough aviation aluminum frame ensuring durability and jamming prevention.

Specifications:

• Filter Type: Variable ND
• Exposure Reduction: 1 to 5-Stop
• Coatings: Multi-Coating, Resistance Coating
• Filter Material: Optical Glass
• Ring Material: Aluminum