Using this SANYO LNS - S04 zoom lens is easy. First, make sure your projector is turned off. Then carefully attach the lens to the compatible projector. Once it's on, you can use the power zoom and focus functions to adjust the image as you like. When using it, avoid exposing the lens to direct sunlight for long periods as it may damage the lens. For maintenance, use a soft, dry cloth to gently clean the lens surface regularly. If there are stubborn stains, you can use a small amount of lens - cleaning solution. Also, store the lens in a cool, dry place when not in use. And always keep it in the original box to protect it from scratches and impacts.
