MONTBLANC MB0411O Optical Frame combines a refined metal construction with signature Meisterstück details, offering a polished rectangular silhouette ideal for everyday prescription wear. The design highlights a rounded injected temple detail and enamel-tipped temples inspired by the brand’s writing instruments. Key attributes: Gold | Transparent | Metal | Durable metal construction | Compatible with prescription lenses | Includes demo lenses | Includes original Montblanc case (where supplied) | Squared/rectangular shape | Full-rim metal frame | Injected rounded detail on temples | Enamel detail on temple tips | Snowcap emblem on hinges | Dimensions & fit: Lens width 55 mm | Bridge 19 mm | Temple length 145 mm | Lens height 36.8 mm | Effective diameter (ED) 59.5 mm | Composition & care: Metal | Demo lens