The Dental Loupe, Sports Wrap Frame: 2.5x-3.5x are Galilean-type binocular loupes that provide maximum ease of use, combined with multi-functional capabilities. These surgical loupes have an ultra lightweight body and frame for maximum comfort and extremely high resolution optics. They also feature multi-coated precision lenses for anti-glare, anti-fog and scratch-resistance, not to mention their superb clarity. Plus, these loupes have a fully adjustable viewing angle, pupil distance and flip-up function. In addition, the Dental Loupe, Sports Wrap Frame: 2.5x-3.5x is available in three magnifications – 2.5x, 3.0x, and 3.5x -, five different working distances and numerous loupe frame colors.