This Christie front projection zoom lens offers two ratios - 1.2:1 0.95 SXGA+ and 1.1:1 0.95 HD, delivering high - quality projection.

Using this Christie projection zoom lens is easy. First, connect it to your projector following the standard procedures. Make sure it's properly aligned for a clear image. When using, avoid placing it in direct sunlight or very dusty areas. For maintenance, clean the lens gently with a soft, dry cloth regularly. If there are stubborn stains, use a special lens - cleaning solution. Don't touch the lens surface with your fingers to prevent scratches and smudges.