K&F Concept 49mm Variable ND Filter ND2-ND400 (9 Stop)

K&F Concept 49mm Variable ND Filter ND2-ND400 (9 Stop) Lens Filter Waterproof Scratch Resistant Nano-X Series

• Putter Design to Adjust 9 Stops - Designed with a putter, K&F Concept variable ND filter can be adjusted by 9 stops from ND2 to ND400. Each stop is marked on the frame conveniently for 360° rotated to adjust the stop, multi-scene application.
• Optical Glass Construction for Clarity - This ND filter is made of Japan-made top optical glass, effectively reducing reflection from the filter itself and glaring, ensuring a high-quality image and does not affect your images in any way.
• Nanotec Coating - Both glass sides of the K&F Concept ND filter are multi-coated by the state of art Nanotec coating technology, so the filters are waterproof, oil-proof, and scratch-resistant, protecting your camera lens for outdoor shooting.
• For the filter designed with ultra wide-angle design, the ultra slim frame is only 7.4mm, supporting 16mm telephoto and wide angle lens with no vignetting, due to the difference in lens type and focal length so this filter might be met dark"X" cross, this isn't a quality problem, it can disappear via rotating the filter.