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Long Nodal Slide with Integral Clamp | MPR-CL-II



Nodal slide for most DSLR camera + lens combos


The Multi-Purpose Rail with an Integral Clamp (MPR-CL II) is our second-generation "standard" nodal slide rail with integral clamp. At 7.4" (189mm) long, the MPR-CL II provides no-parallax point positioning for non-collared lenses from 16mm and up on a full frame (35mm) camera. The built-in screw-knob style clamp allows mounting a camera body fitted with any Really Right Stuff camera base plate or L-Plate, with center reference marks for precise alignment. A built-in spirit level at the front end provides high-visibility leveling indication. A laser-engraved scale on either side allows for precise positioning relative to the reference mark in the clamp below.

The MPR-CL II can also be very useful as a mounting rail for our orbital style flash brackets (B-Series/FR-Series) when using non-collared lenses. The rail clamps to the camera plate, and extends forward below the lens where the flash bracket can slide onto the top dovetail and have a variety of available positions.


  • R-Lock incorporation
  • RRS-style (Arca-Swiss) dovetails on top and bottom for increased mounting options
  • Precision laser-engraved millimeter scale on both sides allows precise positioning at the no-parallax point
  • Integral screw-knob clamp jaw accepts left/right facing dovetail plates and L-Plates
  • 7.4" (189mm) length offers sufficient range for most non-collared lenses from 16-100mm (full-frame 35mm equivalent)
  • Built-in "bulls-eye" style spirit level gives accurate and highly visible level indication
  • Front and back safety stop screws prevent accidentally sliding out of a RRS clamp jaw while adjusting


Country of Origin: USA

  • Length: 7.4"/ 189mm
  • Width: 1.5"/ 38mm
  • Weight: 6.1oz/ 174g
  • In the Box

    1. (1) MPR-CL II rail with integral clamp
    2. (2) M3-0.5 x 5mm safety-stop screws
    3. (1) M2.5 hex key
    4. (1) Screw-knob clamp user's guide
    5. (1) Single-row Panoramas user's guide