Go to the preview on the side of your script and click “camera”. Once you do, more options will pop up on the bottom left of your preview screen. Click on ‘zoom’ I believe and hold&swipe right to make the camera zoom bigger (hold&swipe left to make smaller) and copy the coordinates of the camera on the textbook below the preview. Then paste it in your script!
-or of course use @zoom on CHARACTER in # command…