Montblanc Optical Frame combines Montblanc craftsmanship with a classic acetate construction. Designed for everyday wear, it is compatible with prescription lenses for clear, reliable vision. Key attributes: Gray | Acetate | Compatible with prescription lenses | Full rim | Dimensions & fit: Lens width: 51 mm | Bridge width: 18 mm | Temple length: 145 mm | Lens height: 41 mm | Frame width: 140 mm | Composition & care: Acetate | Clean with a soft microfiber cloth; avoid solvents and extreme heat. Store in the protective case when not in use.