Upright binocular view head with interpupillary distance adjustable from 55 to 75 mm. Long working distance is 7 to 11.5 cm, allowing comfortable viewing of larger specimens and flexible positioning. Built-in top light illumination provides integrated, reliable lighting for clear observation without the need for external sources. Full plastic body keeps the unit lightweight and portable, while the optical glass lens delivers clear, bright images. Constructed with high-quality materials to ensure durability and stability, this accessory is designed to meet a variety of experimental needs and provide dependable performance over time. Typical applications and use scenarios - Education and biology labs: ideal for classroom demonstrations, slide viewing, and basic specimen observation with reliable lighting and comfortable viewing. - Electronics and small-part inspection: suitable for examining circuit boards, connectors, and micro components where a longer working distance helps with maneuvering and inspection. - Field and portable work: lightweight and easy to carry between stations, enabling quick on-site observations and checks in various environments.