Lensball is a hardened clear crystal sphere used for photography purposes. Because of its spherical effect it shows you a 180° degree view of your surroundings creating a mind-blowing visual effect. Lensball is made from K9 crystal: A lens-grade, optically clear crystal mostly used in optics and lenses, giving you the sharpest possible image. The 60mm Lensball pocket (weighs 250g)makes for a great travel companion. The 80mm Lensball Pro weighs (650g) allows you to capture your entire surrounding in full sharpness and the added size makes it easier to get a perfect focus.