SVBONY SV105 is a great way to get started with astronomical imaging; just point your telescope at the moon or a planet and record a quick video; you'll get bright; clear images with the maximum amount of color and detail. USB Eyepiece Camera. Allows you to transfer a live view through the telescope to a laptop or PC; and capture wonderful digital movies and images 1.8m USB Cable. The computer can be placed anywhere; the cable is long enough for the computer to fit the height of the telescope USB 2.0 Interface. Universal USB2.0 interface; suitable for most hardware devices; makes transfer easier and faster Aluminum Alloy Material. Aluminum alloy has low density and high strength; and the product is lighter and more durable; easy to carry; sturdy and durable Installation:. Install the electronic eyepiece software on the computer and open it. Plug the USB cable of the electronic eyepiece into the computer. The electronic eyepiece user interface starts; the image frame appears. Remove the eyepiece of the telescope. Install the electronic eyepiece directly on the eyepiece, and aim at a conspicuous target through the viewfinder; except the sun. Adjust the focus wheel; until a clear image appears on the screen. Note: Since the focus position of the eyepiece is different from the focus position of the electronic eyepiece; you need to re-aim after installation; be patient and find it slowly; the image will be clear after adjustment.