The QR80 Arca-Swiss QR Plate is compatible with the Field Optics Research FVH-300 and FVH-320 tripod heads. The compact plate comes with one each 1/4"-20 and 3/8"-16 camera screw.

1/4"-20 and 3/8"-16 Screws Included

Related Questions and Answers

Q: 1. What is the rated support weight for this rail system?

A: The support weight would be based on the head being used with the rails system.

Q: 2. What is the position distance for a full turn of the knob on the Arca-Swiss Monoball X-Table System? Thanks.

A: When using the Arca-Swiss Monoball X-Table System. the position distance is 3.5 inches.

Q: 3. Can I use this plate with the Benro IN00 Single Action Ball Head?

A: One would think so. The Benro IN00 Single Action Ball Head is supposed to be Arca Type compatible. The Benro IN00 Single Action Ball Head has a screw lock rather than a quick connect, which should remove the major risk of incompatibility.

Q: 4. Are the plates on this L-bracket compatible with Arca-Swiss Slidefix ? I am using an Arca-Swiss item 801213 (Monoball P0 Panning with slidefix QS)

A: Yes the arca-swiss plates would be compatible across all arca-swiss brackets or panning systems.

Q: 5. What is the overall height of this focus rail system?

A: 8.8cm

Q: 6. Will this fit a Promediagear C60 Arca-Swiss type clamp?

A: I have several bi-directional plates that I use on camera bodies (not on telephoto lenses). I also have Arca-Swiss clamps made by several different manufacturers. All of the clamps work with the bi-directional plate in either orientation.

Q: 7. "The upper plate is DJI R Plate compatible" but this is mounting vertically so I still have to change to horizontal everytime?

A: Due to the nature of the DJI RS gimbals mounting an ARCA-type plate from the left to right, rather than front to back, the plate would need to be adjusted when using with a system such as the 8Sinn Arca-Swiss Baseplate Kit, for ideal use.

Q: 8. What is the max. thickness of phone this will accommodate? I use a battery case that is ~17mm (5/8") thick.

A: The Benro 70mm Arca-Swiss Plate with Smartphone Adapter can accommodate a density of 17.5mm.

Q: 9. Does this fit the 645 pro TL?

A: The Arca-Swiss Monoball Classic System L-Bracket Camera Plate for Mamiya/PhaseOne 645 is not compatible with the Mamiya 645 Pro TL camera.

Q: 10. On this MonoballFix version can you rotate the top clamp plate. If you can is there any alignment guide to help align the axis of the clamp exactly 0 0r 90 degrees from the rails?

A: The QR clamp on this system cannot be rotated.