The Heine C Class Loupe with 2.3X magnification and 450 mm working distance on a head band is ideal for dental laboratories and general medical examination. The C Class Loupe has a low profile, is light weight and comes complete with a hard case. Features: - Scratch resistant glass lenses. - Independently adjustable PD Controls. - Lightweight - only 46 Gr. - 2.3X Magnification. - Working distance: 450 mm. - Field of view diameter: 130 mm. - Depth of field: 190 mm. **For further product information , please contact Chat Support**