Most telescopes use a single eyepiece. Binocular literally means "two eyes ... The second number is the metric diameter of the big round glass lens at the front. So, "25 by 70" means an instrument ...
GearJunkie on MSN4d
The Best Binoculars of 2025We tested the best binoculars from NOCS Provisions, Celestron, Nikon, Maven, and more to help you find the best option for your needs and budget.
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