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BinokularsehenSchnelle & versandkostenfreie Lieferung ab 59,50 € möglich ➥ Jetzt günstig online kaufen: Bresser Optik Durchlichtmikroskop Binokular x Durchlicht. Unter Binokularsehen (binokular = beidäugig) versteht man alle sensorischen und motorischen Aspekte des gemeinsamen Sehens von rechtem und linkem. Mit Binokular oder Binokel wird ein optisches Instrument bezeichnet, welches für beide Augen je ein Okular besitzt, also beiden Augen ein Bild präsentiert. Die Bilder für beide Augen können unterschiedlich oder identisch sein.
Binokular Coba Layanan Kami Sekarang VideoBinokular-Maksutov 90x1200 update... Binoculars or field glasses are two telescopes mounted side-by-side and aligned to point in the Christophe direction, allowing the viewer to Flashdance both eyes binocular vision when viewing distant objects. Bushnell H2O 7x50 Waterproof Porro Prism Binoculars. Anti-reflective coatings reduce light lost at every optical surface through reflection at each surface.
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There is also a difference in image brightness. Roof-prisms designs also require tighter tolerances for alignment of their optical elements collimation.
This adds to their expense since the design requires them to use fixed elements that need to be set at a high degree of collimation at the factory.
Porro prisms binoculars occasionally need their prism sets to be re-aligned to bring them into collimation. The fixed alignment in roof-prism designs means the binoculars normally will not need re-collimation.
Binoculars are usually designed for specific applications. These different designs require certain optical parameters which may be listed on the prism cover plate of the binoculars.
Those parameters are:. Given as the first number in a binocular description e. This gives the magnifying power of binoculars sometimes expressed as "diameters".
A magnification factor of 7, for example, produces an image 7 times larger than the original seen from that distance. The desirable amount of magnification depends upon the intended application, and in most binoculars is a permanent, non-adjustable feature of the device zoom binoculars are the exception.
Hand-held binoculars typically have magnifications ranging from 7x to 10x, so they will be less susceptible to the effects of shaking hands.
Some specialized binoculars for astronomy or military use have magnifications ranging from 15x to 25x. Given as the second number in a binocular description e.
When two different binoculars have equal magnification, equal quality, and produce a sufficiently matched exit pupil see below , the larger objective diameter produces a "brighter"    and sharper image.
A pair of 10x50 binoculars is better than a pair of 8x40 binoculars for magnification, sharpness and luminous flux. Objective diameter is usually expressed in millimeters.
The field of view of a pair of binoculars  depends on its optical design and in general is inversely proportional to the magnifying power.
It is usually notated in a linear value, such as how many feet meters in width will be seen at 1, yards or 1, m , or in an angular value of how many degrees can be viewed.
Binoculars concentrate the light gathered by the objective into a beam, of which its diameter, the exit pupil , is the objective diameter divided by the magnifying power.
If the cone of light streaming out of the binoculars is larger than the pupil it is going into, any light larger than the pupil is wasted.
An exit pupil that is too small also will present an observer with a dimmer view, since only a small portion of the light-gathering surface of the retina is used.
A larger exit pupil makes it easier to put the eye where it can receive the light; anywhere in the large exit pupil cone of light will do.
This ease of placement helps avoid, especially in large field of view binoculars, vignetting , which brings to the viewer an image with its borders darkened because the light from them is partially blocked, and it means that the image can be quickly found, which is important when looking at birds or game animals that move rapidly, or for a seafarer on the deck of a pitching boat or ship.
Narrow exit pupil binoculars also may be fatiguing because the instrument must be held exactly in place in front of the eyes to provide a useful image.
Finally, many people use their binoculars at dusk, in overcast conditions, and at night, when their pupils are larger.
Thus, the daytime exit pupil is not a universally desirable standard. For comfort, ease of use, and flexibility in applications, larger binoculars with larger exit pupils are satisfactory choices even if their capability is not fully used by day.
Eye relief is the distance from the rear eyepiece lens to the exit pupil or eye point. The longer the focal length of the eyepiece, the greater the potential eye relief.
Binoculars may have eye relief ranging from a few millimeters to 2. Eye relief can be particularly important for eyeglass wearers.
The eye of an eyeglass wearer is typically further from the eye piece which necessitates a longer eye relief in order to avoid vignetting and, in the extreme cases, to conserve the entire field of view.
Binoculars with short eye relief can also be hard to use in instances where it is difficult to hold them steady.
Close focus distance is the closest point that the binocular can focus on. This distance varies from about 0.
If the close focus distance is short with respect to the magnification, the binocular can be used also to see particulars not visible to the naked eye.
Binocular eyepieces usually consist of three or more lens elements in two or more groups. The lens furthest from the viewer's eye is called the field lens and that closest to the eye the eye lens.
The most common configuration is that invented in by Carl Kellner. Wide field binoculars typically utilize some kind of Erfle configuration, patented in These have five or six elements in three groups.
The groups may be two achromatic doublets with a double convex singlet between them or may all be achromatic doublets. These eyepieces tend not to perform as well as Kellner eyepieces at high power because they suffer from astigmatism and ghost images.
However they have large eye lenses, excellent eye relief, and are comfortable to use at lower powers. Binoculars have a focusing arrangement which changes the distance between ocular and objective lenses.
Normally there are two different arrangements used to provide focus, "independent focus" and "central focusing":. There are "focus-free" or "fixed-focus" binoculars that have no focusing mechanism other than the eyepiece adjustments that are meant to be set for the user's eyes and left fixed.
These are considered to be compromise designs, suited for convenience, but not well suited for work that falls outside their designed range.
Binoculars can be generally used without eyeglasses by myopic near-sighted or hyperopic far-sighted users simply by adjusting the focus a little further.
Some binoculars have adjustable magnification, zoom binoculars , intended to give the user the flexibility of having a single pair of binoculars with a wide range of magnifications, usually by moving a "zoom" lever.
This is accomplished by a complex series of adjusting lenses similar to a zoom camera lens. These designs are noted to be a compromise and even a gimmick  since they add bulk, complexity and fragility to the binocular.
The complex optical path also leads to a narrow field of view and a large drop in brightness at high zoom.
Most modern binoculars are also adjustable via a hinged construction that enables the distance between the two telescope halves to be adjusted to accommodate viewers with different eye separation or " interpupillary distance ".
Some binoculars use image-stabilization technology to reduce shake at higher magnifications. This is done by having a gyroscope move part of the instrument, or by powered mechanisms driven by gyroscopic or inertial detectors, or via a mount designed to oppose and damp the effect of shaking movements.
Stabilization may be enabled or disabled by the user as required. There are some disadvantages: the image may not be quite as good as the best unstabilized binoculars when tripod-mounted, stabilized binoculars also tend to be more expensive and heavier than similarly specified non-stabilised binoculars.
The two telescopes in binoculars are aligned in parallel collimated , to produce a single circular, apparently three-dimensional, image.
Misalignment will cause the binoculars to produce a double image. Even slight misalignment will cause vague discomfort and visual fatigue as the brain tries to combine the skewed images.
Alignment is performed by small movements to the prisms, by adjusting an internal support cell or by turning external set screws , or by adjusting the position of the objective via eccentric rings built into the objective cell.
Alignment is usually done by a professional, although the externally mounted adjustment features can be accessed by the end user.
Because a typical binocular has 6 to 10 optical elements  with special characteristics and up to 16 air-to-glass surfaces, binocular manufacturers use different types of optical coatings for technical reasons and to improve the image they produce.
Anti-reflective coatings reduce light lost at every optical surface through reflection at each surface. Reducing reflection via anti-reflective coatings also reduces the amount of "lost" light present inside the binocular which would otherwise make the image appear hazy low contrast.
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Kontak Kami Segera. Jalan H. Nudin No. Jalan Matraman Ringinsari RT 01 RW 49, Maguwoharjo, Depok, Sleman, Yogyakarta. Toggle navigation.About e-suzukishika.com e-suzukishika.com is a division of Orion Telescopes & Binoculars. We offer binoculars for every viewing interest, including astronomical binoculars, compact binoculars, waterproof binoculars, birding binoculars, and sport and hunting binoculars. Stay Signed In. Sign In Forgot Password? Forgot Password?. Binoculars or field glasses are two telescopes mounted side-by-side and aligned to point in the same direction, allowing the viewer to use both eyes (binocular vision) when viewing distant objects. Online shopping for Binoculars - Binoculars & Scopes from a great selection at Electronics Store. Shop for Optics & Binoculars in Hunting. Buy products such as Vivitar Classic Series 5x30 Binoculars, Halo Laser Range Finder, XL at Walmart and save.