Features Premium Quality Material - Constructed from durable plastic, this magnifier ensures long-lasting performance and reliability for all your close-up viewing needs Convenient Clip-On Design - Perfectly designed for glasses wearers, this clip-on magnifier easily attaches to your existing eyewear, providing hands-free magnification Exceptional Detail Clarity - Experience an impressive 1.5x, 2.5x, and 3.5x magnification, allowing you to observe intricate details with precision and accuracy Versatile Application - Ideal for various tasks including inspection, pricing, and repairs in the electronics industry, making it a must-have tool for professionals Beauty Industry Essential - Perfect for skin analysis, manicure work, and ear cleaning; this magnifying glass is a valuable addition to any beauty routine Features: 1、100% and 2、It is made of premium K9 glass ,crystal clear,with great Optical performance 3、It is coated with anti-reflection film on the double sides 4、It can be used for Physical Optics experiment lens 5、It has 2.5 X magnifying factor,for diy magnifying lens Specification: Features: 100% and It is made of premium K9 glass ,crystal clear,with great Optical performance It is coated with anti-reflection film on the double sides It can be used for Physical Optics experiment lens It has 2.5 X magnifying factor,for diy magnifying lens Specification: Diameter: 30mm / 1.2in Focal length: 100mm / 3.9in Center thickn :5mm Edge thickn: 2.8mm R = 15 mm Material :K9 optical glass Double coated with anti - reflective film Magnification: 2.5 times Package list: 1 x Double Convex Lens Package List