Great for Medium and Large Macro Lenses. With 5.5 inches of range and precise dual gearing, the Castel Q is a superb focusing rail for medium and large macro lenses.

Versatility. The rail has both 3/8-inch and 1/4-inch mounting holes in its base, so you can directly attach the it to a tripod head. The entire base is an Arca-Swiss compatible mounting foot, so you can also mount it in an Arca-Swiss compatible quick-release plate on your own ballhead.

Please Note: The Castel Q includes one Quick-Release Camera Plate.