Eschenbach Arena D+ 8x42 Binoculars for Adults for Bird watching - High Power Optics Waterproof Fogproof Black 24.3 oz
|Water Resistance Level||Waterproof|
|Prism Description||BAK-4, Roof Prism|
About this item
- Make sure this fits by entering your model number.
- CRYSTAL CLEAR SHARP COLORED IMAGES thanks to top BAK-4 prisms. The arena binoculars are nitrogen purged, watertight, and the lenses are fully multi-coated
- COMPACT BINOCULARS FOR BIRD WATCHING and outdoor. Lightweight, easy to handle and carry, they come with a case, a strap and protective dust caps
- ENJOY A WIDE FIELD OF VIEW with these powerful binoculars 8x42: foldable and adjustable with the twist-up eyecups and the central focus knob
- EYE-FRIENDLY: the additional silvering of the prisms reduces harmful UV radiation. You can even keep your (sun)glasses thanks to the eyecups
- TECHNICAL FEATURES: Magnification: 8x - Lens diameter: 42mm - Close focus: 9,8ft - Field of view: 351ft at 1000yds - Dimensions: 6x5,4x2,1 in
- DEVELOPED IN GERMANY: Eschenbach’s story started over 100 years ago with an idea: precision. This is a guiding principle that we still follow today
- 5 YEARS WARRANTY: for us, quality does not just mean optical performance and great design. It also involves the highest level of service
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From the manufacturer
The story of Eschenbach Optik starts at the beginning of the 20th century in Nuremberg. Since 1913 our company has been dedicated to extending its expertise in the field of optics. Today, thanks to modern production processes, we are market leader in the field of optics. Eschenbach Optik is a traditional company which places the focus firmly on precision, quality, practicality and design.
Full multi-layer coating
Tips for selecting the right binoculars
arena D+ 8x32 and 8x42 binoculars are suitable for all types of terrain and are practical to use. They offer the ideal combination of weight, size and vision comfort. Whether you’re on holiday or playing sport, if you prefer models which are as light as possible and are looking for 8x magnification with the most compact objective lens, we recommend, for example, the arena F+ 8x25. If you’re going to use your binoculars in the mountains, you should go for a stronger magnification and select binoculars with 10x magnification. In poor light conditions (bad weather or twilight), we recommend the largest possible objective diameter, such as the arena D+ 10x50.
Eyepieces for spectacle wearers
At the top of a glacier, on the beach, on the plains - when the sun shines, observations are almost impossible without sunglasses. For this reason, Eschenbach offers models with retractable eyepieces for those wearing sunglasses. These allow the required distance between the eye and the eyepiece to be maintained with or without (sun)glasses.
Do you find it difficult to carry your binoculars around for hours in terrain which can sometimes be challenging? Eschenbach binoculars are supplied with transport and/or cleaning accessories. This allows you to enjoy observing landscapes, wildlife and whatever else you wish to view more closely, clearly and without hindrance.
Using your binoculars correctly
Set the dioptre to 0 (usually located on the right eyepiece or in rare cases on the left eyepiece or on the focus wheel). Adjust the width of the binoculars so that you can see something with both eyes. Close the right eye and adjust the sharpness for the left eye with the central focus wheel. Then close the left eye and adjust the sharpness for the right eye.
|arena 8x32||arena 8x42||arena 10x50||arena 8x25||arena 10x25|
|Lens Ø (mm/in)||32/1,25||42/1,65||50/1,97||25/0,98||25/0,98|
|Near Point (m/ft)||3/9,84||3/9,84||3/9,84||6/19,68||6/19,68|
|Field Of View Ft / 3280 ft||400||351||308||407||331|
|Height x Width x Depth (in)||4,92 x 5,04 x 1,97||6,02 x 5,43 x 2,12||6,77 x 5,74 x 2,36||4,09 x 4,44 x 1,69||4,09 x 4,44 x 1,69|
|Weight Without Bag (oz)||19,40||24,33||26,10||10,58||10,58|
|Coating||Full multi-coating||Full multi-coating||Full multi-coating||Full multi-coating||Full multi-coating|
The Key Technical Terms Are Briefly Explained Here
Porro prisms: The 'conventional' prisms. Binoculars with Porro prisms are normally wider than comparable roof prism binoculars, but not as long. Owing to their widerspaced objective lenses, conventional Porro binoculars offer slightly better stereoscopic depth perception at short distances than roof prism equivalents.
Roof prisms: These are very compact and therefore allow the binoculars to be built very slim in form. A higher level of optical precision engineering is required than for Porro binoculars of comparable quality.
BK-7 prisms: These prisms made from boron crown glass are the standard for a good quality image.
BaK-4 prisms: These carefully machined high performance prisms made from barium crown glass provide even better resolution of details and very sharp, bright images with high colour fidelity.
SK15 prisms: These prisms are made from high quality SK15 glass. They minimise unwanted internal reflections and provide razor-sharp images with optimum contrast.
Magnification: The value gives the apparent magnification that the lens produces. With an 8x magnification the object appears 8 times closer to the viewer than in reality . Here, an object appears to be only 100 m away when in fact it is at a distance of 800 m.
Lens diameter: This is an important performance figure of binoculars since its size crucially determines the lightgathering power: The bigger the lens, the more light that reaches the eye and the brighter the image. The objective lens diameter is stated in mm.
Exit pupil/Brightness index/Twilight factor: These are arithmetic values that result from the ratio of magnification and lens diameter. Important in practice: an exit pupil between 2 and 3 mm is sufficient for use in daylight. Binoculars with an exit pupil of 5-7 mm should be chosen for difficult light conditions.
Field of view: Specifies the width of terrain seen through the binoculars at a distance of 1,000 m. The greater the field of view, the easier it is to view landscapes or moving objects, such as animals or competitors at sports events. Binoculars with wide-angle optics (with the designation: Ww) have a particularly wide field of view.
Near point: This number indicates the shortest distance at which objects can be seen sharply and without distortion. This number is important when buying binoculars for use in museums or outings where viewing is at short range.
Phase correction: This particularly elaborate application of special surface coatings to the prisms of roof prism binoculars is the ultimate for outstanding image quality.
Dielectric mirror coating: A dielectric mirror coating inside the prism system allows almost 100% reflection of the incident light and prevents the coatings from ageing. This coating ensures contours always remain distinct and clearly discernible even in poor light conditions or during the twilight hours.
Internal focusing: Focusing means adjusting the sharpness of an image. Only the lenses inside the binoculars are moved during internal focusing. This closed system prevents dust, air or moisture from being drawn in.
Waterproof: This term refers to a system of water repellent features on the casing and moveable parts that makes the binoculars resistant to pressured water.
Nitrogen filled: In contrast to air, nitrogen contains no residual moisture and so prevents the internal optics from misting up if the ambient temperature fluctuates.
Coating: Eschenbach binoculars have fully multi-coated optics. This means that all glass-to-air surfaces have an extremely thin anti-reflection coating to optimise 'light movement' through the binoculars to the eyes. A magnesium fluoride coating (magenta coating) is the standard. On some binoculars this is combined with multi-coating on one side of the lens and eyepiece to improve light transmission. For the highest vision requirements though, multi-coating is applied to all lens surfaces.
To ensure true-to-life, completely colour accurate images, Eschenbach applies a 'naturebright' coating to its farlux, bison and regatta binoculars.
Extra-low-dispersion (ED) glass: This expensive to produce glass compensates for chromatic aberration that normally occurs due to the differing dispersion of the light-beam colour components and is seen as colour fringing along edges and at transitions. ED glass ensures vivid true colour images, extremely rich in detail and with a sense of depth.
- Lens diameter
- Exit pupil/Brightness index/Twilight factor
- Field of view
- Near point
- Phase correction
- Dielectric mirror coating
- Internal focusing
- Nitrogen filled
- Extra-low-dispersion (ED) glass
Compare with similar items
The best binoculars for an HD view of nature the arena D+ is the ideal binoculars for beginners in nature observation and bird watching, who are looking for a brand model with comprehensive features. Waterproofness (nitrogen Fill sealed), silvered prisms, closer near point, larger field of view and with the usual compact, robust and yet handy design. Bak-4 prisms with multi-layer coating provide Sharp and true-to-life images. Its additional silvering ensures a reflation improved by 4% and thus a higher light efficiency. Moreover, harmful UV radiation is deflected to a higher degree. The carrying case and the comfortable neoprene-carrying strap offer even more value to this great pair of binoculars. technical features magnification: 8xlens Ø (mm): 42exit pupil (mm): 5, 25geometric light intensity: 27, 6twilight factor: 18, 3eye relief min. /max. (Mm): 4/interpapillary distance min. /max. (Mm): 58/74near point (m): 3field of view m/ 1, 000 m: 107height x Width x Depth (mm): 153 x 138 x 54weight without bag (g): 690nitrogen filled: yes waterproof: yes eyepieces for spectacle wearers: yes prisms: bak-4coating: full multi-coating silvering: 5 years what's in the box arena D+ 8x42 binoculars; comfortable carrying strap; Bag; Protective dust caps
Top reviews from the United States
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I thought the magnification was good and they were fairly easy to adjust for comfortable viewing (I get dizzy from binoculars if they are not precisely adjusted). I was able to adjust them for a nice clear view.
The quality of viewability is high, which is not surprising for German lenses, as optical devices go. These supposedly reduce UV rays, which I appreciate as I have the beginning of a cataract brewing in one eye that will eventually need to be taken care of, but I make sure my eyes are protected at all times.
I did not use these in rainy weather but they are also supposedly water resistant (waterproof?) and upon examination, they do appear to be tightly constructed and able to withstand “weather” or other natural conditions (like salt water spray, for example, if you use them on a boat).
10X magnification, comes with a strap, lens caps and a carry bag. They also come with a 5-year warranty.
A very nice classic set of binoculars.
It is possible that I just got a bad pair of these binos. Other pairs from this company might work well. But the pair I received are worthless.
Top reviews from other countries
This item seemed otherwise well made and packaged.