Hitchcock in and out:

example:

The video foreground shows a person standing on a rock. The camera slowly ​​dolly out while zooming in​​, creating the ​​h1tchc00ck-in effect​​, which zoom in the background while keeping the foreground fixed.

The video shows foreground that a tower standing on a mountain. The camera ​​dolly in while zooming out​​, creating the ​​h1tchc00ck-out effect​​, which ​​zoom out​​ the background while keeping the foreground fixed.

The video foreground shows a woman smell dishes in a street. The camera ​​fast dolly out while zooming in, creating the ​​h1tchc00ck-in effect​​, which zoom in the background while keeping the foreground fixed. Then the woman give the dishes to camera as the camera ​​fast dolly in while zooming out, creating the ​​h1tchc00ck-out effect​​, which zoom out the background while keeping the foreground fixed.