TWIST-UP EYE-CUPS Eyeglass users will normally need the eye-cups (C) twisted down. Users not wearing eyeglasses should adjust the eye-cups upwards for optimum eye relief. CARING FOR YOUR BINOCULAR 1. Keep lens covers on the binocular when not in use. 2. When cleaning the lenses, use the lens cloth that comes with the binocular, or a soft, lintless cloth. 3. To remove dirt, add one or two drops of isopropyl alcohol to the cloth. 4. Store binocular in a moisture-free area. 5.