Manfrotto Micro Fluid Head - The Micro Fluid Head is a lightweight aluminum head with a pan bar and quick release plate with secondary security. It's ideal for optics weighing up to 9 pounds. It has smooth fluid movement, pan and tilt locks. It's compatible with all tripods with a 3/8' stud on the top. Sturdy aluminum constructionStandard 3/8' threads work with all spotting scopes and most camerasQuick release plate