9.5.2

314 • CHAPTER 7
OBJECTS MENU • CAMERAS • 315
Front Blur, Rear Blur
The settings determine the distance from the camera to the front and to the rear of the scene at which
objects will become completely out of focus.
Adjusting the camera interactively
Although you can adjust the camera’s settings via the Attribute manager, the quickest way is to drag
the camera’s handles in the viewport.
To try out the camera’s interactive handles:
 Choose File > New to create a new, empty document.
 Choose Objects > Scene > Camera to create a Camera object. On the Attribute
manager’s Depth page, enable Front Blur and Rear Blur. Set the End value for
Front Blur to 500 and the End value for Rear Blur to 1000.
 Now take a look at the camera object in the 3D viewport.
 In the 3D viewport, choose Edit > Frame Scene. Hold down the 2 key and drag
left to zoom out, then hold down the 3 key and drag left or right to orbit the
camera until you can see the camera object fully, as illustrated in Figure 1.
Figure 1: Ensure that you can see all of the camera’s planes. The point that we’ve enclosed in a circle
is the camera’s Target Distance. Drag this point - called a handle - to change the Target Distance value.
In move mode or rotate mode, Shift-click and drag this point to rotate the camera about its axis and
simultaneously change the target distance.
 In move mode or rotate mode, Shift-click and drag this point to rotate the
camera about its axis and simultaneously change the target distance.
 On the same plane as the target point there are four further handles, each
one midway along a side of the plane. This plane represents the camera’s Focal
Length. Drag one of these handles to adjust the Focal Length interactively.