...
The object visibility options in Studio
These options are available both in Studio and in the rest of the 3D platforms. Please consult your plugins specific documentation.
...
This option allows you to make an object invisible in the final image, but its presence affects all the objects around it (shadows, reflections, global illumination).
This object (left) disappears when it is hidden from camera (right), but its presence continues to affect the whole scene
An interesting use of this option is to make invisible emitters, but maintaining the light they cast in the scene.
The emitter at the top of the box is hidden to the camera
...
This option prevents the object from appearing in the reflections of other objects, or from being seen through transparent, refractive objects.
This object (left) is visible in the reflective object and through the transparent object. Right image shows how the object is invisible in the cylinders reflection and also when seen through the glass plane.
...
With this option turned on, the object will not affect the global illumination in the scene - it will not cast a shadow or affect color bleeding in the scene.
Enabling this option (right) you can force an object not to cast shadows nor affect other objects with its color bleeding
...
Z-clip Planes define near and far distance boundaries outside of which the objects will not be considered by the render calculations. Please see the Z-clip planes page for more details.