Adobe After Effects 3D Layers and Camera Tools

Question 1

How do you convert a 2D layer into a 3D layer in After Effects?

Accepted Answer

Enable the 3D Layer switch (cube icon) in the Timeline panel

Answer

Apply the 3D Transform effect to the layer

Answer

Import the layer as a 3D object file

Answer

Use the Camera > Convert Layer to 3D menu option

Question 2

What is the difference between an 'Active Camera' view and a custom camera view in After Effects?

Accepted Answer

Active Camera shows the final render view through the lowest-numbered camera; custom views are for navigation only

Answer

Active Camera is a GPU-rendered view; custom views are software-rendered

Answer

Active Camera shows all layers; custom views only show 3D layers

Answer

Active Camera is set by the user; custom views are automatically generated

Question 3

What does the 'Point of Interest' property on an After Effects camera do?

Accepted Answer

Defines the 3D point in space that the camera continuously aims at

Answer

Marks a point of visual interest for the viewer in 2D space

Answer

Sets the focal distance for the depth of field effect

Answer

Controls the camera's gimbal orientation point

Question 4

What is a 'Light Layer' in After Effects used for?

Accepted Answer

Illuminating 3D layers in the composition using simulated light sources

Answer

Brightening 2D footage layers with an overlay blend mode

Answer

Controlling the exposure of a composition globally

Answer

Adding a lens flare effect to the composition

Question 5

What is the 'Auto-Orient' option 'Orient Along Path' used for on a 3D camera or layer?

Accepted Answer

Automatically rotates the layer or camera to face along its direction of motion

Answer

Orients the layer to always face the Active Camera

Answer

Automatically adjusts the layer to align with the composition's horizon

Answer

Locks the layer's orientation to the path's normal direction

Question 6

What does 'Depth of Field' on an After Effects Camera layer simulate?

Accepted Answer

The optical blur of out-of-focus elements based on their distance from the camera's focal plane

Answer

The Z-depth sorting order of 3D layers in the composition

Answer

The distance fog effect applied to far-away 3D layers

Answer

The perspective distortion of layers near the camera