I believe it's 1.6x magnification, but the diopter strength is unknown. It was used, but I think it's in good condition. Please check the photos. Please refrain from purchasing if you are sensitive to used items. Japanese-made clear lens glasses with lightweight and adjustable nose pads. - Made in Japan - Lens Type: Clear lens - Frame Color: Glitter Black - Features: Lightweight design - Nose Pads: Adjustable Thank you for looking.