- In the , select the predefined film back, or create your own film back.
- In the section of the window, set the and to values appropriate for an anamorphic lens (for example, 500 and 423), and set the to an appropriate value (for example, 2). The (under ) produces the same effect as the (in the ).
- Render your scene.
View the image file. Note that this image file will be distorted.