Category Archives: TEN DECISIONS

CLOSE FOCUS of the binocular

All binoculars can focus on any object far away, but focusing up close is a different matter. Some binoculars cannot focus closer than 10 meters/yards, whereas some can focus as close as 1 meter! The ultimate close focus binocular, the … Continue reading

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EYE RELIEF of the binocular

Do you wear glasses? In that case the “eye relief” has to be at least 15mm. and if that’s not the case, you could end up with a pair of binoculars with severely restricted field of view. Binoculars ideal for … Continue reading

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OPTICAL GLASS AND COATINGS of the binocular

The object is to get as much light as possible entering the binoculars through the objective lenses eventually entering the viewer’s eyes. This is achieved by the optical quality of the glass used for the lenses and prisms, as well as … Continue reading

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FIELD OF VIEW of the binocular

Field of view  (FOV) is the width of the view you see through your binoculars, measured in feet at 1000 yards, or meters at 1000 meters. It can also be expressed at angle of field of view (e.g. 7 degrees). … Continue reading

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EXIT PUPIL of the binocular

The exit pupil is actually not a physical feature like it sounds; it is the diameter of the stream of light flowing through the binoculars at the eyepieces into the viewers’ eyes and is calculated by dividing the diameter of … Continue reading

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MAGNIFICATION of the binocular

Binoculars are about magnification – no question about that. But it’s more complicated than this. Higher magnification (power) comes at a price: The higher the power, the more difficult to handle the instrument, to such an extent that binoculars with … Continue reading

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OBJECTIVE LENS SIZE (“APERTURE”) of the binocular

One would be tempted to go for big objective lenses, since the bigger the objective lens, the more light is captured, resulting in a clearer and brighter image. Bigger lenses also means that the instrument will be heavier. On the … Continue reading

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The PRISM DESIGN of the binocular

One choice you cannot avoid is the one between the two basic types of binocular design: The Porro or roof prism design. All binoculars are either porro or roof prism and they look quite different as well. The porro prism … Continue reading

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How much are you willing to PAY for the binocular?

The first thing most people will be looking at is the price tag. Even people with no restrictions in this regard, will limit themselves as to the amount they’re willing to pay for a pair of binoculars. The amount you’re … Continue reading

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Intended USE of binocular

What do you want to use the binocular for? This is very important, since it has a direct bearing on what you eventually will buy. Generally speaking, the first-time buyer should be looking for a versatile binocular. In other words, … Continue reading

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