Among the other scuba mask, the Atomic Vision Subframe mask is the most durable and has the highest quality. Due to the internal frame that are very much firmed directly at the surface of silicone skirt, the strength and quality has been proven. The Subframe offers an unbeatable rigidity and power that removes the large external plastic frame of the other varieties of scuba masks. The optical on the other hand is unbelievably strong and rigid also. The optical lens is amazingly clear as crystal. Another good thing about its lens is that it can be removed and replaced with corrective lenses that the wearer demands for. This kind of scuba mask is really great and can offer the real convenience for the diving activities.