K&F CONCEPT 40.5mm Variable ND3-ND1000 lens Filter(1.5-10 Stops) D Series Neutral Density 24 Multi-Layer Coatings

K&F CONCEPT Variable ND3-ND1000 ND Filter (1.5-10 Stops) Waterproof Neutral Density Filter with 24 Multi-Layer Coated
ND-----------Extend Exposure Time.
Try an ND filter or neutral density filter. ND filter reduces the amount of light enter in the lens. This makes it easier to achieve effects such as a shallower depth of field or blurred motion.
1.This neutral density filter can be adjusted from ND3 to ND1000, easy to 2.Allows the use of slow shutter speeds, with high-speed films or digital cameras, to record movement/image blur in subjects.
3.Decrease the depth of field by using wider apertures, which helps separate subjects from their background.
4.The MIN denotes ND3 (1.5 f-stops) and the MAX denotes ND1000(10 f-stops), giving you full control over your content.
Note: The evenly spaced indexing marks between MIN and MAX do not represent calibrated stops. They are for reference only, to be used as a density benchmark to return to a previous setting.