• Working distance 300-420 mm, which is the distance your eyes and patient's body, and depends on the human height
• High resolution optics lens, image is clear
• Adjust the inter-pupillary distance, and adjust the angular viewing,Anti-glare, anti-fog,and scratch-resistance
• Flexible Headband,Safety Soft Touch Frame
• Package include: Headband Dental Loupes, Manual

Working distance 300-420 mm, which is the distance your eyes and patient's body, and depends on the human heightCICADA