Sirui Macro Focusing Rail MS18 This rail is perfect to use when you need to focusing very exactly on your close up objects.The rail is totally 180mm long and you can adjust distance of 170mm range. The clamp is able to be quickly positioned using the quick adjustment knob to make large adjustments easy and quickly. The stage travel per revolution is 1,25 mm with engraved index marks on both sides of the rail for fine adjustments. The rail itself is made in Arca-style, which makes it fit directly on a tripodhead with Arca-standard.With 4 detachable foot nails, you can use the rail directly on table top, or mount it on a tripod, with the hole in the bottom with 3/8" or 1/4" size.Collapsible thumb-screw knob for easy adjust and store. 360 degree rotating head with four angles locking in each 90° of rotation, makes it very versatile in your setup. An ergonomically designed quickrelease plate (with Arca-standard) which also have stop blocks to increase friction and lock the camera securely in place, and fits to all type of lenses. Includes: Macro Focusing Rail Quick Release Plate (Arca Swiss)
