NEEWER Sandbag for Photography Lenses & Filters The round head adapter ring

The round head adapter ring with a built-in buckle and the one for the square head with two tighten knobs and a cold shoe for more expansion

Compatible with all same size lenses

Simply put the filter on a matte box and place the whole set in front of your camera lens

1 x 1/4” Male to 1/4” Female screw Adapter

NEEWER Sandbag for Photography Lenses & Filters The round head adapter ringFeatures Offers Lens Support as A Saddlebag This camera saddlebag serves as a makeshift tripod to quickly stabilize cameras, telephoto lenses and rifles on car windows, tree branches, fence posts or the ground for video recording, spotting scopes, wildlife observation and wildlife photography Tripod Light Stand Boom Arm Weight Bag Easily fill the bag with sand, beads, buckwheat hulls, rice, beans, etc, and hang it on a tripod, light stand or a