Tagged: field of view

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Learn About a Monocular and Spotting Scope for Birding

Essential optics for birders Want to enhance your viewing with a monocular or spotting scope for birding?  I’m learning about the two optics and here’s what I discovered. The best first step is to...

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Basics of how to use binoculars 

Need-to-know info about how binoculars work Most binoculars have a center focus system that move both eyepieces together. We humans have some variation in sight between the right and left eye. To compensate for...

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Binocular Magnification

This short video from Eagle Optics shows real life examples about different binocular magnification. Learn about how to magnify an image for the best view of an object. You’ll see how binocular magnification works...