NOVOFLEX Q System Focusing Rail Rack with Quick Release Base (Castel-Q)
With dual gearing and the integrated Q=Base Arca-Swiss type quick release system, the Novoflex Castel-Q Focusing Rack is an invaluable tool for any macro photographer. 5.5" of total movement is available, and the entire assembly can be attached to either a conventional tripod head or an Arca-Swiss compatible quick release clamp (made by Arca-Swiss, Foba, NPC, Gitzo & others).