Full anti-reflective coated optics coating featuring hydrophobic properties to shed water. This lens has been developed using very sophisticated design elements that are used in astronomy and binocular production. A completely new scientific and technical approach nothing like what has been presented before by any other scope lens company. It is task specific and designed for tournament or hunting equipment for archery. From the material to the curves to the coatings and how its all put together, this lens is 100% purpose engineered to outperform other options in the industry today. Available in 2X, 3X, 4X, 5X, 6X, 7X & 8X Powers. Plano Convex base construction for ultimate performance. Hardened glass for superior durability and coating resilience. Can be center drilled in 0.020, 0.030, 0.040, or 0.060 to accommodate glow fibers. Scope Lens Compatibility 1.125 lens fits 040-2 1 3/8, DVK, and SK Scopes. 1.345 fits 040-1 1 5/8, Versa, 040-3, and 040-5 Scopes. 1.750 fits 040-6, and Versa Scopes.