K&F CONCEPT 67mm Variable ND Lens Filter ND2-ND400 (1-9 Stops) 18 Multi-Layer Coatings Adjustable Neutral Density Ultra Slim Lens Filter for Camera Lens — Open-Box, 11% Off

High-end Japanese optical glass: K&F CONCEPT variable neutral density filter made of high-end Japanese optical glass, double-sided multilayer blue coating is conducive to waterproof and dustproof. Reduce Exposure: ND2-400 Filter Reduces light intake from 1 to 8.66 f-stops, which is especially suitable for rivers, waterfalls and other waters, especially under strong light. Double anti-reflective coating: Allows the use of slow shutter speeds on high speed films or digital cameras to record movement/image blur in waterfalls, clouds or any fast moving subject.c Ultra-Slim frame: Adopt aviation aluminum alloy frame, only 7.3mm, ultra slim rim design preventing wide angle vignetting Size Note: Focal length (mm) ≠ Filter size (Ømm)! This screw-in filter is designed for lenses with a Ø67mm filter thread. Please verify your lens or lens cap for the thread size, which is must indicated with a "Ø" symbol. (Only look for Φxx mm, not the xx mm focal length!) K&F CONCEPT is the world's No.1 brand in terms of lens filter online sales volume among camera-accessory-focused brands. Source: Euromonitor, 2024 data.

K&F Concept variable ND filter ND2-400
Rotate until you reach the desired effect and shoot. It allows you to continuous control the amount of light passing through the lens without affecting the color.
Allows the use of slow shutter speeds on high-speed film or digital cameras to record movement/image blur of subjects such as waterfalls, clouds or any fast moving objects.
Gives you full control of depth of field. You can use a wider aperture to reduce the depth of field, which helps to separate the subject from the background
The variaber filter frame adopts a double-layer rotating structure, a layer of rotating frame, a layer of fixed frame, and the edge saw design makes the filter installation very easy and full of three-dimensional sense.

Specification:
Frame material: aluminum alloy
Border color: black
Total thickness of frame: 7.3mm
Lens material: Japanese optical glass
Optional size: 37mm-82mm
Product packaging size: 98 * 18 * 98mm