Ivation DSLR Rig Shoulder Mount Movie Kit for DV Cameras & For Nikon ,D3/D3S/D3X/D40/D50/D60/D70S/D80/D90/D700/D300/D300S/D7000/D90/D5100/D5000/D3100/D3000/FM10/F100 Digital SLR Cameras Blue Make you shoot or video production steady, precise and smooth Long time shoot or record comfortable, wont feel tired All hand grips and joint of the shoulder mount are rotatable and adjustable Make commercial and professional movies at a very lower cost Precision-machined Follow Focus system provides repeatable, accurate focusing