Binoculars for Live Concerts, 20x Magnification 【Industry-Leading BAK4 Optical Lenses & FMC Multi-Layer Coating】 Dome Opera Glasses, 25mm Aperture, Anti-Vibration, Ultra-Precise Film Coating, High Light-Gathering Power, 99.5% Light Transmission, Ultra-Lightweight, Compact, Waterproof, Compatible with Glasses, for Concerts/Sports Viewing/Bird Watching/Oshi-katsu, with Neck Strap and Storage Case, Suitable for Children/Women 【10*25 Clear Visibility】 These binoculars for live concerts have 20x zoom, perfect for concerts, sports viewing, and bird watching. Capture your favorite artists, athletes, and birds in their entirety, doubling your enjoyment! 【See Clearly】 These binoculars achieve 99% light transmission thanks to the latest advanced optical technology. They provide high light-gathering power and bright images. The industry-leading BAK4 optical lenses and FMC multi-layer green film coating suppress reflections and provide a clearer view. 【Ultra-Lightweight & Compact】 These binoculars for live concerts are ultra-compact roof prism binoculars, perfect for concerts. They fold up even more compactly and can be easily stored in a bag. 【Designed for Japanese Users】 The interpupillary distance is designed with a wide adjustment range of 33-75mm, allowing for proper adjustment even for women and children with smaller faces. Furthermore, the large eyepiece design allows for comfortable use even for those with long eyelashes. 【How to Use】 1. Adjust the width of the eyepieces to match the distance between your pupils. Adjustment is complete when the left and right fields of view (circles) merge into one circle. 2. Choose a target and look through only your left eye, then turn the focus ring to focus. 3. Look at the same target with only your right eye, and turn the diopter adjustment ring to focus.