1. Material: The mirror body is made of aluminum alloy and optical glass, featuring lightweight, corrosion resistance, and wear resistance, ensuring a long lifespan. The eyepoint eyepieces come with a standard 30mm mount and are compatible with any stereomicroscope of the same diameter. 2. Craftsmanship: The entire set is welldesigned and finely crafted. The lens is made of quality optical glass with a refractive index, delivering brighter and clearer images compared to others. 3. Wide Field of View: Provides comfortable viewing, with a lens that is durable, from blooming, and longlasting. 4. Easy Installation: The wideangle, eyepoint eyepieces are standardsized and can be used immediately after connecting to the microscope, making installation effortless. Suitable for microscope eyepiece applications, this biological microscope is beneficial for learning, work, or research.