Using this python preset you can manage many different cameras in your scene and use timeline markers to decide when to cut to a particular camera.Continue reading Switch Camera By Markers
Recreating an extremally usefull xpresso preset by Rich Nosworthy.
Using Easy Camera Morph preset you can animate camera movement by camera number instead Blend parameter.
Continue reading Cinema 4D XPresso: Easy Camera Morph
Animate Camera Morph by camera number