Category Archives: Binoculars

Anti Reflective Coating

Anti Reflective Coating Anti Reflective Coating – A chemical coating on the surfaces of the binocular lens elements and prisms will produce images that are sharper, less hazy, and higher contrast by reducing the amount of light that is randomly scattered … Continue reading

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Binocular Terms

Binocular Binocular – Before you can determine what type of binocular you really need, you should understand the following binocular terms. Exit Pupil:  The exit pupil is the small circle of light that appears in the eyepiece.  The formula for … Continue reading

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Binocular Prism Systems

Binocular Prism System Binocular Prism System – The function of a binocular prism system is to reduce the size needed to provide focal length and turn the resulting upside-down image right-side-up.  Most optical prisms are made from borosilicate (BK-7) glass … Continue reading

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