DOLICA | NEUTRAL DENSITY FILTER 0.3, 0.6, 0.9 OD KIT

ND (neutral density) filters are designed and used to reduce the amount of light passing through the lens so that a longer exposure is required to record an image.

-Used for longer exposure to emphasize movement, such as photographing waterfalls to enhance the blurred effect of the moving water.

• Eliminates overly bright, washed-out images
• Balances exposure
• Controls depth-of-field
• Allows slower shutter speeds to produce blurred motion effects

Table of ND Filter Types

Here is a great video review below.