The Manfrotto 504X Fluid Video Head & 645 FAST Aluminum Tripod with Mid-Level Spreader is a complete, professional-grade video support system designed for videographers and filmmakers who demand smooth, precise motion control. The 504X fluid head handles camera rigs up to 26.5 lb and delivers buttery-smooth pans and tilts via its fluid drag system and open bridge design, while the 645 FAST twin-leg aluminum tripod holds up to 55 lb and extends to a maximum working height of 61.8" for versatile on-set and location shooting.
Manfrotto's 4-step counterbalance system — with presets at 0, 4.8, 9.7, and 14.3 lb — lets you dial in perfect balance instantly whether you're mounting a compact mirrorless or a fully rigged DSLR. The flat base with a 3/8"-16 thread gives you broad compatibility with monopods, sliders, jibs, and dollies, and the entire system packs into the included carry bag for hassle-free transport.
Key features
- Fluid drag system with open bridge design — delivers stable, vibration-free pans and tilts with a wider top surface and longer sliding plate for superior balance.
- 4-step counterbalance (0–14.3 lb) — achieve optimal camera balance in seconds, eliminating drift for single-operator video shooting.
- 26.5 lb head load / 55 lb tripod load — supports everything from mirrorless cameras to fully rigged camcorders with confidence.
- 504PLONGR-1 sliding quick release plate — 1/4"-20 and 3/8"-16 threads let you fine-tune fore-aft balance quickly and lock the camera securely.
- 645 FAST twin-leg tripod with Ultra L-Lock — single-action leg locks and a mid-level spreader provide rock-solid stability and rapid height adjustments from 10.6" to 61.8".
- 100mm bowl with 75mm adapter included — compatible with a wide range of professional video heads; twin spiked feet with rubber overshoes handle any terrain.
Specifications
| Head Maximum Load | 26.5 lb (12 kg) |
|---|---|
| Tripod Maximum Load | 55 lb (25 kg) |
| Counterbalance System | 4-step (0 / 4.8 / 9.7 / 14.3 lb presets) |
| Head Base | Flat base with 3/8"-16 female thread |
| Quick Release Plate | 504PLONGR-1 sliding plate with 1/4"-20 and 3/8"-16 threads |
| Tripod Construction | Twin-leg aluminum, 2-stage with Ultra L-Lock mechanism |
| Bowl Size | 100mm (75mm adapter included) |
| Maximum Working Height | 61.8" (157 cm) |
| Minimum Height | 10.6" (27 cm) |
| Folded Length | 28.7" (73 cm) |
| Includes | Mid-level spreader, leveling ball, carry bag |
Frequently asked questions
What is the maximum camera load for the Manfrotto 504X fluid head?
The 504X fluid head supports a maximum load of 26.5 lb (approximately 12 kg), making it suitable for professional camcorders, DSLRs, and mirrorless cameras with accessories and follow-focus rigs.
Does the 645 FAST tripod work with 75mm video heads as well as 100mm?
Yes. The 645 FAST tripod features a 100mm bowl, and a 75-to-100mm bowl adapter is included in the kit, giving you the flexibility to use either 75mm or 100mm video heads — including the 504X, which connects via the included leveling ball.
How does the counterbalance system on the 504X head work?
The 504X uses a 4-step counterbalance system with clearly defined presets at 0, 4.8, 9.7, and 14.3 lb. You simply select the preset that matches your camera-and-lens weight, and the head counteracts gravity to keep your rig balanced and prevent unwanted tilt during shooting.