₋ The Heine C Class Loupe with 2.3x magnification and 450mm 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 46g. ₋ 2.3x Magnification. ₋ Working distance: 450mm. ₋ Field of view diameter: 130mm. ₋ Depth of field: 190mm. **For further product information , please contact Chat support**