Fotoconic All Metal Wormdrive Macro Focusing Rail Slider/Close-up Shooting Clamp Plate 115mm Adjustm…See more

CNC machining technology with edge rounded arc treatment, ensure safety to use. The rail has precise, single-axis fore-aft fine focus with 1mm to 2mm of travel per knob revolution.

It offers single-axis focus with a total adjustment range of 115mm. The Rail is driven by a knob-controlled worm gear and index scales–which are printed on both sides of the rail in millimeters for consistency.The big thumbwheel with 1/4"-20 Screw, that easy install and move for the camera. The Macro Focusing Rail has Arca-style dovetail, so it compatible for Arca-Swiss quick release clamp.SPECIFICATION:Material: MetalMounting: 1/4 inch mounting screw on top, 3/8 inch mounting socket on baseMacro focusing rail length: approx.

16cm/6.3inchMacro focusing rail width: approx.

3.8cm/1.5inchHeight: approx.

2.9cm/1.14inchAdjustable range: 0-4.53 inches/0-11.5cmLoad Capacity: 22 pounds/10 kilogramsSize: 1.5x 1.5x 8.46 inches/3.8x 3.8x 21.5 centimeterWeight: 0.66 pounds/0.3 kilograms