K&F Concept Variable ND2ND400 58mm 19 Stop Multi-Coated Filter (KF01.1401) Overview

The K&F Concept ND2-400 Variable ND Filter is a versatile tool for photographers and videographers looking to control light and achieve creative effects in bright conditions. Offering an adjustable density range from ND2 to ND400 (1 to 9 f-stops), it allows you to easily reduce the amount of light entering the lens for greater exposure flexibility. This makes it ideal for capturing smooth, silky water in rivers and waterfalls, creating motion blur, or achieving a shallow depth of field even in strong sunlight.

Constructed from premium Japanese imported AGC optical glass and enhanced with a double-sided waterproof, multi-layer blue coating, the filter delivers excellent image quality while reducing reflections. Its ultra-slim 7.4mm frame minimizes the risk of vignetting, and the lightweight CNC-machined design ensures easy attachment and removal for a seamless shooting experience.

Specification

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