SWEBO LS18 Lead screw macro focusing Tripod Head macro photography, upgraded version, long 180 mm plate center of gravity adjustment range, stainless steel lead screw precision fine adjustment, copper sliding parts, lead 4 mm, hand wheel crank handle double operation, can be fast Shaking, and precise fine-tuning, both the speed of the rack type and the precision of the screw adjustment. Can be used for macro stack shooting, macro precision focusing, etc. Smooth operation and moderate damping. Material; aluminum alloy Full length; 226 mm Movement distance; 111 mm Accuracy; 0.04 mm Weight; 372 grams Height; 47.5 mm Width; 60 mm Clamping width; 60 mm 1,All metal structures Clips can be connected to Arca swiss standard block plates 2,Connecting the tripod side It also has an Arca swiss structure and has five 1/4-inch tapped holes for connecting all tripod heads. 3,Circular scale knob The circular scale knob has both a non-slip large wheel and a rocking handle for quick rotation. The scale of the spiral micro-rule makes the precision reach 0.04 mm. 4,Upgrade comparison On the right is an upgraded version with a more sophisticated scale and a thinner size 5,Clip installation The clip can be installed in 4 directions by changing 4 screws, suitable for various environments. 6,Fast locking Rotate the handle 60 degrees to securely lock