Camera Correction Modifier

The Camera Correction modifier applies two-point perspective to a camera view. By default, camera views use three-point perspective, in which vertical lines appear to converge with height. In two-point perspective, vertical lines remain vertical.

• Select a camera. > Right-click. > tools 1 (upper-left) quadrant of the quad menu > Apply Camera Correction Modifier
• Select a camera. > Modifiers Menu > Cameras > Camera Correction

The amount of correction you need to use depends on how steeply the camera tilts. For example, a camera that looks up from ground level to the top of a high building will need more correction than a camera that looks toward the horizon.

Note: This modifier doesn’t appear on the Modify panel’s Modifier List.

Normal camera view (left) and corrected camera view (right)

Procedures

To apply two-point perspective to a camera:

1. Select a camera.
   Tip: For best results, set a viewport to this camera’s view. The change in perspective appears both in the viewport and when you render this view.
2. Apply the Camera Correction modifier.
3. On the 2-Point Perspective Correction rollout, click Guess.

   The Camera Correction modifier creates a first-guess Amount value for the two-point perspective.

4. Adjust the Amount and Direction to get the effect you want.

   In the viewports, the camera’s field-of-view “cone” distorts or moves to show the perspective adjustments.

5. Render the view.

Interface

Amount

Sets the amount of correction for two-point perspective. Default=0.0.

Direction

Biases the correction. Default=90.0.

Setting Direction greater than 90.0 biases the correction to the left. Setting it less than 90.0 biases it to the right.

Guess

Click to have the Camera Correction modifier set a first-guess Amount value.