How Do Zoom Binoculars Work?

Binoculars are the world’s second most used optics besides eyeglasses. But these devices are sometimes the least understood piece of equipment. Today, I will look at one of the most common questions that I get often and which is How do zoom binoculars work?. But before we look at these devices, let’s get to know …

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Understanding Binocular Lens Coatings

Often times many people have asked these questions “What makes binocular A different from binocular B of same magnification and objective lens size?”  For example, say the “10×42”. Well, the difference is in the binocular lens coatings. Binoculars that have the same objective lenses have the same light-gathering power. The difference, however, is how much …

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