The vagus nerve innervates critical organs, such as the heart and lungs, making vagus nerve disorders serious. The symptoms of vagus nerve disorder can include cardiac, gastrointestinal, and sensory problems. slide 1 of 4.
KraGorn Active Member. Short throw means a short distance between projector and screen .. say 1-1.75 times screen width as a rough guide, long throw is the converse being 1.75+. That means the HS51 is certainly 'short', from the spec:  Short Throw Lens (100 < 3m), ie. you could fill a 100 diagonal 16:9 screen (7'+ screen width) from less than 9'. I don't know the Sony but generally I think Lens Shift works at least 1/2 height and/or 1/2 width depending on what it's capable of.
My long lens is the 500L f4 with which I use a 3 series Gitzo tripod and a Wimberly II gimbel head. The tripod has no center column and is sturdy as a rock. The gimbel head makes the 500mm lens glide and move effortlessly, I can literally move the camera and lens with one finger, let go and it maintains it's position.