Emopeak Clear Crystal Ball 80mm K9 CRYSTAL This is the same crystal which is used for camera lenses and other optics because of its extremely high light transmittance and light-refracting characteristics. PERFECT FOR PHOTOGRAPHY Lens Ball is made for beginners as well as for professional photographers. To make this accessible for all levels of photography, the Lens ball does not only work with professional cameras but it is also suited for any smartphone camera. ULTRA CLEAR Polished and hardened, for a perfect and scratch-free surface. Every Lens ball has been flawlessly crafted out of K9 crystal and made 100% scratch and bubble free. SECURE AND BEAUTIFUL PACKAGING Lens balls are put in a beautiful and secure box designed by Emopeak. QUALITY GUARANTEE Every Lens ball is flawlessly crafted and goes through multiple thorough quality checks. Therefore we can guarantee a high grade optical crystal ball.