Magnification | Glossary
Magnification is the magnifying power of an instrument that enlarges the viewing image and makes the observed object seem bigger. For example, with a 10x magnification… Read More »Magnification | Glossary
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Spotting Scopes - Glossary
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 42 mm. It is known… Read More »Lens Diameter | Glossary
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 extremes. If there is even… Read More »Filled With | Glossary
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 the eyepiece is built, it… Read More »Field of View | Glossary
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, hunting, hiking or in extreme… Read More »Waterproof | Glossary