Virtual production does not replace the grip department — it shifts where the constraints lie. Fewer travelling shots on location. More motorised dollies on technical floors. Greater use of motion control synchronised with pixels. The fundamentals of the craft, however, remain intact: physics, safety, and reading the shot.
Thirty years of shoots — from Parisian night exteriors to the studios at Épinay, from Agat Films productions to HBO and Netflix series and feature films stretching six weeks in studio — give a certain perspective on this kind of evolution. No need to tip into enthusiasm or scepticism. Here is what concretely changes for a grip department.
What is virtual production and how does an LED volume work?
Virtual production means filming actors in front of a wall — or a semicircle, or an entire room — covered in high-resolution LED panels. These panels display a digital environment in real time: landscape, urban setting, outer space, generated by a game engine, in the vast majority of cases Unreal Engine.
The result on screen: a background that interacts optically with the camera. Unlike a green screen reworked in post-production, the LED volume produces reflections, ambient light and perspectives that are consistent with the camera’s actual movement. The actor sees the set. The light from the set falls on their face. This is not a trick — it is optical physics used differently.
Everything depends on a tracking system: the camera transmits its position in real time to the 3D engine, which recalculates the background’s perspective pixel by pixel. If the camera moves and the background does not follow, the illusion collapses. This tracking is the critical point of the entire chain — and it is precisely here that the grip department becomes central.
Which virtual production studios exist in France?
France has a rapidly developing virtual production infrastructure, concentrated in the Paris region.
La Planète Rouge (Paris region) operates one of Europe’s largest volumes, with 60 million pixels. The space is designed for high-demand productions — series, feature films, premium commercials — with a technical floor suited to dollies and rails.
Studios de France have integrated a 90 m² Sony Crystal LED screen into their offering. This choice of Crystal LED technology (individual diode panels without a diffuser) produces more even luminosity and reduces parasitic reflections on lenses. A concrete advantage for wide shots — I have seen productions lose half a day correcting exactly that problem on less well-calibrated systems.
VPH Paris operates across two sites — Paris 18th arrondissement and Élancourt (Yvelines) — and focuses primarily on short formats: commercials, music videos, branded content. The spaces offer greater flexibility and lighter grip constraints.
Xvision (Paris suburbs) has a 430 m² volume, making it one of the spaces best suited to complex grip configurations. Wide enough for a dolly with arm extensions, deep enough to position motion control at sufficient distance from the wall — and that is far from universal in the volumes I have visited.
These studios work with specialist grip suppliers or bring in external crews. Upstream coordination is more important than on a conventional shoot: every camera move must be discussed with the virtual production supervisor before arriving on set.
How does virtual production change the grip technician’s work?
Fewer exterior cranes, more motorised systems
The logic is direct. An LED volume reproduces a cliff face, a night cityscape or a desert — sets that would have required location shoots with everything that entails: telescopic cranes, travelling vehicles, ground levelling. In studio, those constraints disappear. What remains is precision.
Motion control takes centre stage. In an LED volume, a shot involving camera movement must be reproducible identically between takes — tracking tolerates no approximation. A motion control arm that has been programmed replays the movement with a margin of error below one millimetre. For complex shots, it is the only reliable solution. Remote heads and motorised rail systems used in conventional production find an even more demanding application here.
Camera tracking conditions everything
The camera’s real-time position is transmitted to the 3D engine via sensors — infrared, magnetic, or optical depending on the system. These sensors are fixed to the camera support.
If the dolly vibrates, if the rail is not perfectly level, if the remote head has any mechanical play: tracking degrades. The background “floats” slightly. And on screen, it shows. Not dramatically, but it shows — and in digital, it corrects poorly in post.
In a conventional studio, a slight vibration on the rail goes unnoticed or is resolved at the grading stage. In an LED volume, it disrupts the background/camera synchronisation. The levelling and rigidity requirements for rails are therefore stricter than in a standard configuration. Electrically motorised dollies — without the jolts of a mechanical clutch — are preferable. The Chapman Hybrid, the motorised Fisher 23, or a Track-rail dolly with Fosi motorisation: choices made with the tracking system installed in the studio very much in mind.
On a Netflix shoot at Épinay in 2023, we were running a Fisher 23 on welded rails — the virtual production supervisor asked us to switch to a fully electric system after the first take. The background was moving two centimetres. That sounds like nothing, but on the director’s monitor, it was unmistakable.
Motorised dollies and movement programming
One concrete advantage of LED volumes for the grip department: repeatability. On a conventional shoot, every take asks the dolly operator to reproduce a movement by hand — with the natural variation that implies. In an LED volume, the shot can be recorded as a programme and replayed identically. The operator focuses on fine adjustments rather than memorising the raw movement.
This logic brings cinema grip work closer to what has long been practised in commercials and visual effects. The difference is scale: in a feature film LED volume, the shooting schedule constraints are those of cinema, not those of a visual effects studio where an entire night may be devoted to a single shot.
What does not change with virtual production?
“The craft evolves, but the fundamentals remain: physics, safety, reading the shot.”
No technology programmes a key grip’s ability to read a shot. Understanding what the director is after, anticipating the movement before the camera rolls, coordinating the crew in a space sometimes restricted by the volume’s configuration — these are on-set skills that LED panels do not replace. And honestly, I have seen LED volumes that were well equipped but very poorly prepared on the grip side, with crews discovering the constraints on the morning of the shoot.
Safety remains an identical responsibility. An LED volume is a studio with live equipment on the walls, data cables on the floor, a ceiling of suspended panels above the working area. Electrical safety protocols, suspended load safety and clearance of movement axes are strictly the same as on a conventional set — sometimes more complex because of the density of equipment.
The adaptation between exterior and studio work that every grip must master applies here in a specific form: the LED volume is a studio with additional constraints — technical floor, clearance around the wall, and coordination with a digital team whose priorities are not those of the traditional set.
FAQ — Virtual Production and Cinema Grip
What is an LED volume in cinema?
An LED volume is a studio whose walls — and sometimes ceiling — are covered in high-resolution LED panels. These panels display a digital set in real time, synchronised with the camera’s position. The actor is filmed in a visually coherent environment without green screen or post-production compositing.
Why is camera tracking critical for the grip department?
Camera tracking transmits the exact position of the camera support to the 3D engine driving the LED background. Any mechanical imprecision — rail vibration, play in a head, a dolly jolt — results in a visible desynchronisation between camera and background. Precision requirements for rails and motorised supports are therefore stricter than on a conventional shoot. In practice, it changes the conversations you have with your equipment supplier well before the first day of filming.
Which dollies are suited to LED volumes?
Electrically motorised dollies are preferable for their absence of mechanical jolts. The Chapman Hybrid, the motorised Fisher 23, and Track-rail configurations with Fosi motorisation are solutions used depending on the studio. The choice depends on the tracking system installed in the volume and the dimensions of the available space.
Does virtual production replace location shooting?
No. It shifts certain constraints, nothing more. An LED volume reproduces the appearance of an exterior, not its physical conditions: variable natural light, non-technical ground, interaction with the real environment. For shots that exploit the natural setting — a wheat field in the wind, a facade in actual rain — location shooting has no substitute. The LED volume is relevant for sets where the challenge is visual rather than physical.
Is specific training required to work in an LED volume?
Specific training is useful, but not sufficient. The grip technicians who thrive are those who already master motorised systems and motion control in conventional production. Knowledge of tracking, coordination protocols with digital teams, and technical floor constraints are acquired in practice on set — not in a classroom. Tracking system manufacturers (Mo-Sys, Stype, Ncam) offer technical sessions for on-set crews, but nothing replaces two or three volume shoots.
For projects involving an LED volume or motorised systems, see our services or get in touch directly — upstream coordination with virtual production teams is an integral part of what we do.