Make photo fade out to black in the middle of a circle I need to have a photo fade out to black in a tunnel effect.  Kind of like the edges are becoming all black and you only see the circular photo in the middle which then goes to full black.  Can't find the term for it and not sure if this program will do it.  Any ideas? Thanks.
In the compositor add an image node and create an ellipse mask.


By animating the size of the mask (with and height) over time down to zero you can create an iris effect.



Animating the X and Y coordinates of the mask you can change where the center of the vignette ends: