- * 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 a 360° view, multi-scene application.
- * Optical Glass Construction for Clarity – This ND filter is made of Japan-made top quality optical glass, effectively reduced 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 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 an outdoor shooting.
- * No Vignetting & Dark Corner – The filter has been designed with an ultra wide-angle design, the ultra slim frame off only 7.4mm, supports 16mm and telephoto with no vignetting , due to the differences in lens type and focal length the filter might show a dark”X” cross , this isn’t a quality problem , it can disappear via rotating the filter.