SHL Series Head Band Binocular Loupes are designed only for optical magnification during examinations and operations. They are lightweight and ergonomically superior. The telescopes are recommended for those seeking the possibly best posture during use. These Galilean-style flip up loupes boast an impressive 4.6 inches viewing area. They feature vertical, interpupillary, and downward angle adjustments for maximum versatility. SHL series Head Band Binocular loupes are designed to meet all possible medical needs. They are widely accepted by dental, ENT, stomatology, Gynecology, Cardiology, Brain surgical and Plastic surgery, etc.