Spotting Scopes - Glossary
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Magnification | Glossary
Magnification is the magnifying power of an instrument that enlarges the viewing image and makes the observed object seem bigger. For…
Lens Diameter | Glossary
The second number in the product’s name represents the lens diameter. For example, 10×42 binoculars have a lens diameter of…
Filled With | Glossary
Optical products are often filled with a dry gas to prevent the condensation on the inside of the housing when exposing them to temperature…
Field of View | Glossary
The field of view is an area the observer sees when looking through the optical product. Although it primarily depends on how…
Waterproof | Glossary
The waterproof feature is made to keep the optical products sealed and protected from water or dust. Such products are suitable for marine,…
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