Focal Length of scope in millimetes
Camera: Select SBIG CCD Camera SBIG ST-237A SBIG STV SBIG ST-7XE SBIG ST-8XE SBIG ST-9XE SBIG ST-10XME SBIG ST-2000XM SBIG ST-1001E SBIG STL-4220M SBIG STL-1301E SBIG STL-1001E SBIG STL-11000M SBIG STL-6303E
If camera is not listed: Pixels: Width Height Size