Binoculars – Understanding The Terms
Exit PupilExit pupil is the result of dividing the objective lens diameter by the magnification. Dividing thus will give you a number approximately between 4 and 8. The number which is measured in diameter, represents the beam of light that leaves the eyepiece when you hold a binocular with the objective pointed towards a light […]
Continue readingBinoculars – Overview
The Background Binoculars are optical tools that consist of two barrel chambers with a pair of prisms inside, having an objective lens and an eyepiece. The prisms are for the reflection and lengthening of the light, while the objective lenses, are for magnifying and enhancing images due to stereoscopic vision. History Just like every other tool used by […]
Continue readingBinoculars – Manufacturing Process Review
There are brass housing covers on every binoculars model, and they are relatively heavy and expensive to produce. During the world war 1 subsequent hard rubber or leather covers were replaced in Germany by a cover of black lacquered cardboard. The heavier brass housing covers was replaced by the galvanized steel. In the 1930s, to […]
Continue readingBinoculars Guide – Test Before Buying
After buying your binoculars at a store, you should check their performance, or if you buy it online, as soon as they arrive, you should also check their performance as well. Below are few tests that will help you choose quality binoculars.Observe the objective lens carefully. if there are signs of scratches or dirt, you […]
Continue readingBinoculars Optics explained reviews 2021
Antireflection Coatings It’s true that when observing the night sky with your binoculars, you will want the biggest possible amount of light to reach your eyes and not reflect back into space from the objectives. Because of this, modern lenses are designed with anti-reflection optical coatings on at least one of the air-to-glass surfaces. The […]
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