For those who know this camera, is there a 5x / 10x digital zoom available on that camera while recording a video?
Context:
It’s about attaching the camera to a astronomical telescope with a T-ring and adapter for prime focus video recording of the planets, just the body of the camera attached to the telescope.
The procedure tells me that I need: to record the LiveView stream at 5x zoom directly from the camera to a computer through the USB cable. This would apparently give me enough magnification.
I searched the camera manual and asked the AI, but can’t find any evidence that my camera actually has a 5x zoom, I guess it must be a digital zoom since the objective is not attached to the camera.
NOTE: With the objective on, I can set thing up to record a video and use the magnify button or the Reduce button to get a 5x or 10x zoom, but when I press Record button, the view in the LCD returns to the original zoom of the objective. 
My question: Is there such a feature available and can it be done with that camera? and if it’s available how to set up the 5x zoom to record the live stream?