1-Step sunshade for the 29mm Optum scope Features a short shade to reduce the amount of light entering the scope White centering ring laser etched on the inner ring helps with peep and target alignment Does not reduce the inside diameter of the scope Includes a rubber O-ring for a tight fit CNC machined black anodized aluminum Made in the USA Long sunshade for the 29mm Optum scope Features a long shade to reduce the amount of light entering the scope Anti-glare grooves within the sunshade reduce glare and light reflection Does not reduce the inside diameter of the scope Includes a rubber O-ring for a tight fit CNC machined black anodized aluminum Made in the USA