Large eyepieces ensures normal operation in low light and night condition. Come with a phone adapter, that enables you to take photos & videos to record the shocking moments. Monoculars with 80*100 magnification, selected from BAK4 prism and multi layer coated lens, five layer broadband coating. Ideal for travel, vacation, hiking, camping, sports, enjoy beautiful nature, view birds, watch species, general purpose, and more outdoor activities. 22 mm HD large eyepiece, the larger the aperture, the much light it enters, the clearer the small image, the more saturated the hue, and the greater the degree of reduction, the more details can be seen.