30x25 optics binoculars - Clear and detailed viewing: 30x magnification with a 25 mm objective lens diameter. Field of view is 61 m per 1000 m, allowing you to see a wide scene and capture distant objects more easily. - High contrast and bright images: Equipped with a BAK-4 prism and fully multi-coated lenses for superior light transmission and brightness. Light transmittance reaches up to 99.5%, helping you see clearly in many lighting conditions. Low-light viewing is supported, but not in complete darkness. - Versatile applications: Suitable for adults at sports events, concerts, theater, opera, plays, and shows. Also ideal for travel, hiking, camping, and bird watching. - Comfortable, durable design: Lightweight and built for long-lasting use. Odorless rubber armor provides shock resistance and an anti-slip grip, making them reliable for travel or outdoor activities.