Nikko Stirling Panamax 3 9x50 HMD Ill Red Targets the metal top avoids warping with this dedicated Plug the metal top avoids warping of the top shelf when the walls are stretched out wider to fit larger doors Objective Lens Diameter 25 mm rimfire and airgun rated• AO models Adjustable objective from 10 yards up to infinity• IR models Illuminated reticle models features red green illumination• Half Mil Dot reticle• Illuminated models features glass etched reticles• Fast eye focus• Design owned by Nikko Stirling • Nikko Stirling Panamax® Wide Angle Lens• Extreme Field of View – approx 20% more than std 1” scope• 1” Maintube• ¼ MOA Increments (7mm@100m)• Centerfire