This 7.4" Really Right Stuff MPR-CL II Rail with Clamp (7.4")from Really Right Stuff MPR-CL II Rail with Clamp (7.4")has an Arca-type double dovetail design that can accept accessories on either the top or bottom of the rail. The rail also sports a screw-knob style clamp on one end.

The MPR-CL II rail can be mounted on a ball head, used as a macro slider or focuser, or can have an orbital-style flash bracket attached to it. There is a laser-engraved scale with 1mm increments on both sides of the rail, for precise position repeatability. Additionally, a built-in bull's-eye bubble level is located towards the front of rail to keep the camera level.

Arca-Type Compatible    Double Dovetail Design    Accessories Mount Top or Bottom of Rail    CNC Machined 6061-T6 Aluminum    Type II Black Anodized Finish    Becomes a Nodal Slide for Panoramic Gear    Used as a Platform for Flash Brackets    Basic Macro Slider or Focuser    Laser-Engraved Scale in 1mm Increments    Built-In Bull's-Eye Bubble Level

Really Right Stuff and Arca-type compatible

Double dovetail design allows accessories to mount top or bottom of the rail

CNC machined 6061-T6 type II black anodized aluminum

Becomes a nodal slider for panoramic gear, a platform for flash brackets, or a macro slider

Built-in bull's-eye bubble level to level out camera

Related Questions and Answers

Q: 1. Has anyone used this with a D7200 (or similar) and a Sigma 10-20mm lens and is it the correct one? RRS have said that this is the correct rail but one of the reviews on this page said that using a Sigma 14mm 1.8 art lens it wasn't long enough. Thanks

A: It is expected to work with that setup, but if you personally have doubts there is the 7.4" version of it as well. BH #REMPRCLIIRIL.

Q: 2. Does it work for Canon EF 100-400 mm lens?

A: Yes, the Really Right Stuff 6" Multi-Purpose Rail (1/4"-20) is compatible with the Canon EF 100-400mm f/4.5-5.6L IS II USM Lens.

Q: 3. Can you confirm this clamp is compatible with the 7.6" Multi-Purpose Rail from Really Right Stuff?

A: Yes, this clamp is compatible with the Really Right Stuff 7.6" Multi-Purpose Rail (1/4"-20).

Q: 4. Is this rail compatible with Arca-Swiss accessories (can it replace multi-purpose rails, like the MPR-270)?

A: The Really Right Stuff Multipurpose Cinema Rail is Arca Swiss compatible. Yes, It could replace MPR-270.

Q: 5. CAN this be used as a macro rail?

A: It could be used as a macro rail, but since you would have to loosen and re position by hand it would not be as precise as a rail designed for use as a macro rail like this Manfrotto https://bhpho.to/2xWM0hO.

Q: 6. Cant get the clamps to rotate. Loosed the screw and it still won't work? Any ideas?

A: Once you loosen the screw with the hex key one full rotation, then pull clamps apart. Rotate 90 degrees, seat back together, and tighten the screw.

Q: 7. Does it fit ZHIYUN Weebill/S ?

A: This fits the DJI RS2 and RSC2.

Q: 8. What is the accessory seen in the 4th picture of the product? Looks like a macro rail adapter but I could not find any information about it.

A: That is a part that RRS does not make any more.And you can use many other rails with that as it is Arca-Swiss style connection.

Q: 9. Can this be used for attaching L bracket on a Sony A7IV with a sigma 100-400 lens or a Sony 70-300 lens?

A: Yes, the MPR-CL can accept a Sony A7 IV with an L-bracket attached and the Sigma 100-400mm lens or a Sony 70-300mm lens.

Q: 10. Is the Really Right Stuff MPR-192 & Mini-Clamps Package the same as the 192 PPP sold on RRS website?

A: Yes it is.