The Butler Creek premium lens cover for binocular eyepieces. The elastic rubber portion that fits over the binocular frame is designed to accommodate most scopes (37-42mm). Thanks to the interchangeable "window piece," you can choose whether you want the lens cover in black polymer or switch it out for the included see-through window. You can also print a "Data Disc" from the Butler Creek website where you can store your desired ballistic information. The Data Disc can be installed either on the outside or inside of the lens cover. The lens cover features a familiar push-button release seen in other Butler Creek covers. It can remain upright in the traditional open position or can be folded along the scope's body tube to avoid obstructing your field of view.
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