NEEWER Variable ND2-400 Filter (1-9 Stops) Size:77mm along with a weight hook

along with a weight hook on the center column

such as strobe lights

easy adjustment for a perfect fit

Mounting Points: 5/8"

NEEWER Variable ND2-400 Filter (1-9 Stops) Size:77mm along with a weight hookDescription Flexible Light Reduction This variable ND2 400 filter reduces light by 1 9 stops. It can avoid overexposure across a variety of weather conditions and allows you to capture rivers, waterfalls, and light trails with motion blur by using slow shutter speeds and wide apertures. Simply rotate the frame to exact marks for precise exposure control Multicoated Optical Glass Multiple resistant coatings (MRC) are resistant to water, dust,