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The K&F Concept Square Slim Optical ND filter is a square neutral density filter made from Japanese optical glass. It reduces exposure by 3 stops, preventing overexposed and washed-out images while allowing longer exposure times to capture motion. The 20-layer MRC multi-resistant coating reduces reflections and ghosting, and is resistant to scratches, water, oil, and dust.
The metal-alloy coating on both sides of the glass delivers a neutral image without color cast or infrared contamination. The filter has double threading and a thickness of 2.3 mm.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.