Extremely compact, this unique head offers precise gear movement in three directions, pan, tilt and side to side tilt. The head incorporates a quick release camera plate system and is suitable for 35mm SLR and medium format cameras. The 410 also incorporates a unique feature that allows you to instantly disengage the gears and rough position the camera by hand, then instantly reengage them for ultra-precise final alignment.Camera attachment: 1/4" + 3/8" screw.