Screw cap for easy replacement or cleaning the lens. Bergeon No.2611-2 Standard Watchmaker Loupe Magnifier Aluminum Ring Swiss Made I.76239996 ✓EASY Returns & Exchange. Technical Specifications: Thickness: 2 Magnification: 5 x Lens diameter: 25 mm, Weight: 10 g, Swiss Made Bergeon 2611-TB-2: Experience Precision with Our 5x Magnification Loup Pleasant to wear thanks to optimum air circulation through the additional viewing port, and no tarnishing or fogging of the lens more. Light duty in newly designed construction and additional viewing port. New Bergeon 2611-TN Series Micro Loupe Magnifier Watchmaker Eyeglass... When it comes to precision tasks, the Swiss Bergeon 2611-TN-2.5 with 4x magnification is an essential tool that stands out for its performance and durability. Crafted with advanced materials, this loupe not only provides crystal-clear magnification but also boasts impressive characteristics like corrosion resistance, w