Matching a Real-World Camera in the 3D World

Your 3D application's cameras have been modifiedthrough lens manipulation can be duplicated in your
to now properly mimic their real world3D application through the use of Video Post
counterparts with respect to camera lens focalprocesses. Unlike real-world cameras where image
length. This means that a shot taken with adistortion takes place as the light passes through
35mm camera will now properly match up whenthe lens, your 3D application photographs the
you composite the live imagery with the virtualimage first and then distorts it through Video
scene using a 35mm camera lens. Live-actionPost.
shots using camera-tracking equipment will nowTo simulate anything that incorporates a focal
match up properly, as well. If you do not have aeffect, you should use your 3D application's new
camera-tracking system at your disposal, you canLens Effects Focus module, within Video Post. All
use your 3D application's Camera Match to matchrenderings in your 3D program are focused to
up your virtual camera to a photograph orinfinity. Lens Effect Focus enables you to add
animation.real-life focal effects to your rendered image. You
Remember that the Camera Match featurecan achieve a general scene blur, a radial blur, or a
requires that you know the proportions of theblur based on a focal node (an object that you
subjects taken in the photograph or animation toare focusing on). As a general rule, almost every
properly match a virtual camera to the scene.scene should have some amount of blur in it,
This means that you need to know size andsince every photographic work we look at has
location of the real-world scene. If you do notsome amount of focal blur associated with it.
have this information, Camera Match will likelyUsing it in your 3D application means that your
produce the wrong result. Many of the effectsscenes will have an extra sense of photographic
traditionally created by using lens attachments orrealism, which used to require a plug-in.