The Seiler Evolution xR6 has helped revolutionize the way the dental microscope performs and operates. The Evolution offers a new six-step Apochromatic lens magnification system with a gas piston pantographic arm specifically engineered for the dental professional. It provides comfort and straightforward operation. The Evolution xR6 comes standard with a brightlight source for visualization and a counter balance arm for adding video and digital imaging accessories. For more information, call (800) 489-2282 or visit www.seilermicro.com.To comment on this product, go to community.pennwelldentalgroup.com/.