K&F Concept B Series 37 mm ND Filter Variable ND2 ND400 (1 9 Stop) Slim Neutral Density

1-9 aperture levels – K&F CONCEPT variable ND2-400 filter is designed for long exposure and motion blur techniques in changing light. Excellent for nature and landscape photography. Note: New and old packaging will be sent at random Premium glass – made of high-quality Japanese AGC glass, optimal brilliance and distant vision, intense colours and high contrasts. Extremely slim – the ND filter is very slim, the frame is only 7.4 mm thick and has a CNC trapezoidal pattern design. It can increase friction and can be installed or removed anytime and anywhere. Motion blurring – reduce 1-9 aperture levels for dramatic motion blur and shallow depth of field in changing light conditions. Notes: This variable ND2-400 filter is not recommended for use with wide-angle lenses with focal lengths