Thank you for viewing! Opened for photography, but it's a new, unused item. Lens Material: Acrylic Magnification: 5x [Premium Fresnel Magnification] - The lens is made of optical-grade acrylic, a superior material compared to other Fresnel lenses, providing a very clear image with minimal distortion, perfect for those with aging eyes or low vision. [Large and Clear Viewing Area] - Covers a wide viewing area of 25cm x 14.5cm, with a visible lens area of 25cm x 14.5cm, magnifying by 400% without distortion. Ideal for viewing and checking small materials for hobbies and crafts, small parts of electronic devices such as screws and pins. [Flexible Gooseneck 360-degree Adjustment] - The gooseneck is 35.5cm long and can be bent in any direction without constant adjustment. [Reduces Eye Strain] - Perfect for those who need to work up close or need to compensate for aging eyes. Reduces eye strain, allowing you to work all day. [Ergonomic Design] - This magnifier adopts a sturdy and thick base design, allowing you to adjust the lens at any angle without worrying about stability.