This article applies for the brand new XPY-1200, XPY1201, XPY1210 & XPY-1230 IP Cameras.
Here are the steps to the optical zoom.
1. Log in on your camera, in order to gain access to the configurations page
2. After log in the camera configuration page, it will appear the live video streaming.
3. In order to make the digital zoom, you just need to scroll up (to zoom in) or scroll down ( zoom out ) on your mice.
Or you can just right click on the live view, and select Zoom in or Zoom out.