Campsaver.com
Marathon 10x50mm BAK-4 Prism Binocular Black BI030029
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From Campsaver.com
Marathon 10x50mm BAK-4 Prism Binocular Black BI030029. The default focus distance setting is 70 feet (dependent on the user's eyesight). Engineered with a premium BAK-4 prism it offers an excellent viewing experience with superior light transmission and less peripheral light being lost due to internal reflection.