Binoculars > Instruments > Tasco > Sierra > Tasco Binoculars Sierra 10x42

Product no.: 12733

Binoculars Sierra 10x42

Name: Tasco Binoculars Sierra 10x42
Brand: Tasco
Price: 148 USD

$ 148.00 incl. VAT, plus shipping costs

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Product description Specifications Recommended accessories Customer reviews (0)

Product description

Sierra^® Binoculars
Compacts that'll go anywhere – waterproof and super-tough should Ma Nature try to prove us wrong.

Specifications

Capacity

Performance data enables binoculars to be compared with one another.

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Magnification

The first number in the binoculars’ model number represents the magnification. It specifies how much larger an object appears compared to when viewed with the naked eye.

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Front lens diameter (mm)

Front lens diameter

The second specification in the binoculars’ model number is the front lens diameter. The larger it is, the more light the binoculars collect.

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42 is the answer to the ultimate question “of life, the universe, and everything” (according to Douglas Adams)

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Focusing system

Binoculars are focused by focusing on the object, or rather the eyes of the observer.

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Central focusing (Central wheel)

Central focusing

The sharpness is adjusted via a central focusing wheel.

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Type of build

Describes the internal structure of a pair of binoculars, thereby further subdividing the different types.

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Roof

A compact and modern binoculars design, in which the objective lens and the eyepiece lie in a straight line.

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Lens coating

Coatings on optical surfaces have the job of minimising annoying reflections. In this way light transmission and contrast is increased.

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fully

Exit pupil (mm)

Exit pupil

Relates to the beam of light emitted by the eyepiece. The exit pupil is closely associated with the brightness of a pair of binoculars.

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4,2

Glass material

A distinction is made between different glass materials. Through the use of special types of glass, the optical image can be optimized.

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BK-7

Eyepiece cups

The eyecups are located on the eyepieces and protect they eyes from stray light.

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rotatable

Diopter-adjustment side

right side

Special features

Binoculars can be equipped with additional functions such as an image stabilizer or a zoom.

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Zoom function

The binoculars’ magnification may be variably adjusted using either a lever or a scroll-wheel.

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Image stabilizer

Compensates for the natural trembling of the hands. The picture is so stable, as if you were observing using a tripod.

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Compass

On these models, the compass display is usually shown in a small part of the field of view. A distinction is made between digital and manual versions.

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Rangefinder

An automatic or manual feature for measuring distances.

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Eyepieces for spectacle wearers

These eyepieces have a relatively large eye relief. It is possible to wear spectacles while observing and still benefit from a comfortable viewing position.

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yes

Threaded tripod connector

A 1/4" thread for connection to a photographic tripod. Most binoculars require an additional tripod adapter.

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Splash-proof

These binoculars may only be exposed to moderate moisture or light drops of water.

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yes

Protection bag

yes

Watertight

Watertight optics are equipped with special seals and are gas-purged. This is usually with nitrogen or argon gas. Since these gases are heavier than air, they cannot escape.

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yes

Field of view

Information about the field of view enables binoculars to be more easily compared with one another.

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Field of view at 1,000 m (m)

Field of view at 1,000 m

The visible field in meters, that can be seen from a distance of 1,000 meters. This information is often more easily visualised as an angular measurement.

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Light intensity

The geometric light intensity is a theoretical value. It is an indication of the expected brightness of the image.

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17,6

Twilight factor

Used to compare binoculars’ performance in low light conditions. The higher the number, the more suitable it is for twilight. However, the value should always be considered in connection with the exit pupil.

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20,5

True field of view (°)

True field of view

The angular field of view visible with the binoculars.

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5,6

General

Weight (g)

709

Series

Sierra

Surface material

Binoculars are usually equipped with an armouring that protects the binoculars and makes them easier to grip.

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Rubber armouring

Area of application

The areas of application help you to choose the right binoculars for your purpose.

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Astronomy

You are fascinated by the stars, but don't want to set up telescope right now? You can immerse yourself in the world of astronomy using many binoculars.

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middle

Bird watching

Blackbird, thrush, finch or starling?
Binoculars helps to spot and identify the bird.

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middle

Hunting

Do you want to stay in the hide until dusk, or do you prefer to stalk game? We have the right binoculars for you!

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good

Travel and sports

very good

Sailing

Even the sailors of old used binoculars to orient themselves on the high seas. In some cases, modern binoculars even offer a built-in compass and a reticle for estimating distances.

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Theatre

Whether it's serious opera, a romantic operetta, folk theatre or a musical; with opera glasses or small binoculars, you'll be part of the action.

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