get_zoom.py

from onvif import ONVIFCamera

# Replace with your camera's details
camera = ONVIFCamera('192.168.1.100', 80, 'username', 'password')

# Create media service
media_service = camera.create_media_service()

# Get the profiles
profiles = media_service.GetProfiles()
token = profiles[0].token

# Create PTZ service
ptz_service = camera.create_ptz_service()

# Get the current PTZ status
status = ptz_service.GetStatus({'ProfileToken': token})

# Print the current focal length
print(f"Current focal length: {status.Position.Zoom.x}")