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...
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...