Crab Truck

O que é Crab Truck?

A crab truck is when the camera slides sideways along a track or path while continuing to point forward, following a subject or revealing an environment from the side.

Resumo rápido

Também conhecido como
Crab dollyLateral tracking shotSideways dollyTruck shot
Usado para
Following subjects walking laterallyRevealing environments horizontallyCreating parallax depth in scenesSmooth side-on tracking in documentary and narrative work
Ferramentas comuns
Crab dolly with steerable wheelsMotorized sliderCurved dolly trackGimbal on wheeled platform
Termos relacionados
Dolly shotDolly trackCurved dollyPanTracking shot

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Como se compara

Como se compara

Crab truckpan

A pan pivots the camera around its own vertical axis while the camera body remains stationary, sweeping the frame from one point to another. A crab truck moves the entire camera body laterally through space while the facing direction stays constant. The critical difference is that panning creates no parallax shift between near and far objects since the camera does not move through space, while a crab truck does, producing depth layers that shift relative to one another and giving the shot a stronger sense of physical presence in a real environment.

Pense nisso como…

Imagine you are sitting in a car looking out the side window while the car drives along a straight road. You are not turning your head left or right. You are just facing sideways and watching the world go past. Close trees zip by quickly, while far-away hills barely seem to move at all. That layered movement, where near things move fast and far things move slowly, is exactly what a crab truck does with a camera. It slides the whole camera sideways so the world flows past in layers, making the image feel like it really exists in a deep, three-dimensional space. Viewers feel this sense of spatial depth even if they cannot explain why the shot feels more immersive than a static frame.

Dica profissional

When prompting AI video generation for a crab truck effect, combine the lateral movement instruction with details about what is in the foreground versus the background. Specifying elements at different depths, such as a fence or column in the near foreground and a street or landscape further back, gives the model compositional context to produce convincing parallax layering rather than flat lateral motion.

Tipos e variações

  • A straight lateral crab truck moves the camera in a perfectly horizontal line parallel to the subject.
  • A diagonal crab truck angles the path slightly forward or backward while maintaining a predominantly lateral trajectory.
  • A curved crab truck combines lateral movement with a gradual arc, similar to a curved dolly but biased toward lateral rather than forward motion.
  • Some productions use a motorized slider to achieve shorter crab truck distances in tight spaces where full dolly rigs would be impractical.

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Casos de uso comuns

  • Following an actor walking along a corridor, street, or exterior location from a side angle while keeping the frame stable and the subject consistently composed.
  • Revealing the contents of a space, such as a market, factory floor, or crime scene, by sliding the camera laterally past a series of elements.
  • Shooting sports or event coverage where subjects are moving in a consistent direction and the camera must keep pace without changing its facing angle.
  • Creating a sense of environmental scale in architectural or commercial video by slowly trucking past a facade, product display, or installation.

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Perguntas frequentes

What is a crab truck in filmmaking?
A crab truck is a lateral camera movement in which the camera slides sideways while continuing to face forward, rather than rotating or pivoting. It is used to follow subjects moving horizontally or to reveal environments from the side.
What is the difference between a crab truck and a pan?
A pan rotates the camera on its axis while the camera body stays in place, whereas a crab truck moves the entire camera body sideways through space without changing its facing direction. Crab trucks create parallax depth between near and far objects; pans do not.
What equipment is used for a crab truck shot?
A crab dolly with steerable, multi-directional wheels is the most common tool, as it can move sideways on a flat surface without requiring curved track. Motorized sliders can be used for shorter lateral moves in tighter spaces.
What is the difference between a crab truck and a dolly shot?
A dolly shot typically refers to forward or backward camera movement along the direction the camera faces, while a crab truck is a sideways lateral move. Both use a dolly, but the direction of travel relative to the camera's facing angle is different.
How do I describe a crab truck in an AI video prompt?
Use language like lateral tracking shot, camera slides sideways alongside the subject, or horizontal tracking with the camera moving perpendicular to its facing direction. Adding foreground and background elements at different distances helps generate convincing parallax layering.
Why does a crab truck look different from a pan?
Because the camera physically moves through space, a crab truck creates parallax, where closer objects appear to move faster than distant ones. This creates a strong sense of depth. A pan sweeps the frame across a scene but produces no parallax because the camera stays in one place.
When should I use a crab truck instead of a pan?
Use a crab truck when you want the depth and spatial weight of a real camera moving through the environment, particularly for following subjects or revealing spaces. Use a pan when you need to move the frame across a scene from a fixed position, such as following action across a wide space.
Can AI video tools replicate a crab truck?
Many AI video generation models can interpret lateral tracking instructions and produce sideways camera movement. The more precisely the prompt describes the direction, speed, and relative depth of elements in the scene, the more closely the output will resemble a true crab truck.
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