Tag Archives: prism

Nitrogen-filled binoculars are fog-proof

Cold weather, like at a football game or on a fall hike, is the time that binoculars can get fogged up inside. That happens when moisture enters the binoculars and condenses on the lenses. Fogged lenses can be a problem … Continue reading

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Compact binoculars come in two basic shapes

Compact binoculars come in two general shapes. The different shapes are due to the type of optics that are inside the binoculars. The first shape is rather tubular, where the eyepieces sit practically in line with the objective lenses. The … Continue reading

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