All the magnifying lenses included in this papckage magnify up to 300%. It is considered the most comfortable magnification for reading small prints, ideal for Viewing and checking tiny hobby and crafting materials, small electronic gadget parts such as screws and pins The lens is made out of optical grade PVC a superier material than other fresnel lens, which provides crystal clear image quality with minimal distortion, pefect for seniors with aging eyes and low vision individuals. The smaller lenses are very convenient to bring them with you so you will alwyas have extra set of eyes. All the lenses are made out of Unbreakable & optical grade PVC, the largest one only weighs 1 ounces and it is Ideal for longer reading time, because of the weight advantage you will be able to hold it
