Knowledge of camera movement, shot size, and angle is essential for all skilled matchmove artists. When directors, editors, and cameramen refer to particular types of camera shots, the terminology can sound like a foreign language if you’re unfamiliar. Our essential guide to camera movement will help demystify some of the common terminology used in film production.
Core Camera Movement Types
This article will examine some of the more common terms we use to describe how a camera moves through a scene.
Camera motion is a fundamental part of how we narrate a story visually and has created some of the defining moments in popular films, such as the contra-zoom in Jaws (1975) or the Steadicam shots in The Shining (1980).
For matchmoving, camera motion is essential to help determine the correct scale, position and orientation of the camera within a 3D scene. This article will help you identify the types of camera motion that make up your shots. While it is not a complete summary of all camera movement types and terms, it provides widely used core essentials in every production.
Static / Lock off
The static shot, sometimes called a lock-off, has no intentional camera movement. While this might seem an easy shot to matchmove as there is no camera movement to match, it can be tricky to match perspective exactly when integrating CGI. However, you can eliminate the guesswork and position a static camera accurately with an application like PFTrack, which uses its unique ability to use multiple cameras to solve a scene, even if a camera isn’t moving.
Pan
A panning shot involves lateral movement of the camera to the right or left of a given starting position. Depending on the choice of focal lengths, the relative position of objects near and far to the optics will be exaggerated. Wide-angle lenses will make distant objects move slowly and seem far away, while longer focal lengths will make objects in the distance seem closer and move more quickly. With good Parallax Matchmoving, a panning shot can be relatively easy.
Nodal pan
Nodal pans involve the same lateral movement to the left or right as the standard pan. The difference is that with a nodal pan, the camera will pan around the entrance pupil of the optics. This particular type of camera movement is intended to eliminate the parallax in the shot.
This type of movement would be useful for stitching plates together for visual effects shots or generating a large digital matte where parallax would be an issue. This move was sometimes used in the past to disguise foreground miniatures in forced perspective shots. These shots can be tricky to generate a virtual camera from as there are little to no clues for the depth of a scene.
Tilt
A tilt is the camera's vertical movement up or down, usually from a fixed starting position, while keeping the horizontal axis consistent. Tilts are often used in establishing shots or in a reveal. Depending on the lens used and the position of the camera on the tripod, these shots can be more tricky to matchmove than a pan.
Pan and tilt
This is a combination of horizontal and vertical motion from a fixed point. An example shot may follow a character as they walk from one end of a room to another, panning and tilting the camera as they go to keep the framing consistent.
Track/dolly
A tracking shot, also known as a dolly shot, is the forward and backwards motion of the camera commonly used to follow a character as they traverse a scene. While these shots can seem quite daunting to matchmove, with suitable masking it can actually be quite easy to find a solution.
Lateral track/crab/truck
Similar to a standard tracking shot, lateral tracking – or crab – is the sideways movement of the camera. Depending on the scene, this type of shot can provide a large amount of parallax, which is useful when calculating depth and solving a camera. Some good examples of lateral tracking shots can be found in the films of Wes Anderson and Steven Spielberg.
Crane / pedestal / jib
This is the vertical raising or lowering of the camera, which will normally remain in relatively the same position while motioning up or down. The camera can be boomed out on some rigs to make for a more complex motion. These types of shots are often used to establish the geography of a scene, starting high and lowering to eye level. Crane shots are sometimes more straightforward than others to establish a good ground plane when matchmoving due to the elevated perspective.
Handheld
Handheld is as it sounds – the camera operator is hand-holding the camera, usually shoulder-mounted or slung underarm. Movement of the camera is completely free because there are no mechanical axial restrictions. Some good examples of handheld camera work can be found in Paul Greengrass's films. Motion blur can become a factor when attempting to matchmove handheld shots. The motion can also be hard to predict due to its non-linear nature.
Stabilised
Usually mounted on a Steadicam, gimbal, or a combination of the two, a stabilised camera moves through the scene, performing many, if not all, of the camera moves as handheld but with the ability to remove the high-frequency movement. Smooth, stable shots with linear motions are generally much easier to matchmove.
Aerial / drone
Aerial shots taken from either a helicopter or drone allow the camera to be at a more significant elevation than a crane/jib while being stabilised via a gimbal to remove high-frequency movement. They are usually combined with other camera moves and tracked forward or backward through the scene to establish an environment or to follow the action from a more significant elevation. Due to the vertical perspective, these shots often provide plenty of trackable detail and parallax when matchmoving.
Conclusion
Of course, shots can combine many of the techniques above, and there are also many more complex camera movements, but it’s good to be able to identify the basic components that make a shot. In part two, we will examine the common terms used to describe the framing of a scene in both size and angle.
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