Binoculars for live 20x opera binoculars BAK4 optical lenses FMC multilayer waterproof and glasses compatible adjustable for bird bird Japanese

[2025 Latest Technology BAK4 Prism] Our live binocular lenses adopt BAK4 optical lenses, which have a light transmittance of up to 99.5% and also have a total internal reflection effect, which greatly reduces the light loss rate, maintains color balance, and provides a more vivid vision. It can provide good visibility even in dimly lit environments. [Lightweight & Small] The compact opera glasses weigh only 152g, which is lighter than a mobile phone, so you won't feel any strain even when using them for long periods of time. In addition, it can be adjusted freely, making the structure more compact and easier to carry. Perfectly applicable to watching sports, bird watching and other occasions. [Anti-vibration & image stabilization] Our anti-vibration binoculars have an anti-shake function that suppresses the shaking of the lens when you move your viewpoint, providing a more stable view. Even if you use it for a long time, you can enjoy the beautiful moments without feeling nausea or dizziness. [Package Contents & After-sales Service] Binoculars *1, special bag *1, cleaning cloth *1, instruction manual *1, color box *1. If any problem or malfunction occurs during use within one year, please contact us. Our after-sales team is online 24 hours a day and is dedicated to serving our customers. Adopting high-quality optical lenses and precise prism systems, each model of binoculars has been carefully designed and rigorously tested to ensure image clarity and color authenticity, presenting detailed visual effects even in low-light environments. Its ergonomically designed handle will not make you feel tired even during long observation hours, and the lightweight material and robust construction ensure portability and durability of use.