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Steiner Binoculars

Steiner German binoculars

Steiner Binoculars in use

For over 50 years Steiner has a been world leader and renowned specialist in the manufacturing of high performance binoculars. Their line of precision optics are tougher than ever, extremely lightweight, and feature innovative designss, durable construction and German-engineered optics technology for a lifetime of dependable performance. Steiner Binocular Accessories

Steiner continues to develop new technologies such as extra tough rubber armoring, nitrogen filling, water pressure proofing to 5 meters and precision crafted Steiner lens coatings, as well as being the first company to incorporate a compass into a pair of binoculars.

  • Predator Series
    High contrast optics for the hunter and outdoors man. Nothing escapes the Predator, not even wildlife hidden by dense foliage. The revolutionary Steiner Predator lens coating increases contrast in wooded and camouflaged backgrounds and makes animals much easier to see with the human eye. The green coating blocks out green and blue (the colors of foliage and haze) and boosts brown and reds for an impressive contrast.

  • Nighthunter XP Series
    The brightest high resolution HD optics for the darkest conditions. Unlike ordinary binoculars the Nighthunter XP series feature a combination of precision crafted optical glass, coated with Steiner's exclusive "HD" broad band lens coating, built into a high performance and rugged body that is especially made for high light transmission. The internal stray light reducing baffle system makes the binoculars brighter than any other ordinary pair of binoculars. And with Steiner's one time Sports Auto-Focus system, you won't have to worry about focusing in low light: everything will be in focus once initially set for your eyes.

  • Commander & Marine Series
    Brilliant design and the toughest construction make Steiner the leader in marine optics. The Commander line of binoculars utilize Steiner's high depth of field "Sports Auto-Focus" to give you a clear view of everything from 20 yards to infinity without refocusing, making these ideal for spotting buoys, markers and navigational hazards, combining this depth of field with the incredibly bright optics makes this perfect for night, when exact distance is uncertain.
    The Navigator Compact series feature a slim design and good balance making them easy to carry and an excellent choice for viewing nature and wildlife while ashore, as well as navigational duties while aboard.

  • Peregrine Series
    High resolution HD optics with exceptional brightness & truest color fidelity. These Steiner Peregrine binoculars will allow you to penetrate darkness better than any other roof-prism binocular. With their compact shape you will be able to take them anywhere. Their new level of brightness and natural color balance is achieved by use of a new dielectric prism coating, by which over 40 layers of titanium oxide and other rare mineral are alternately applied to the glass surface. This BBC results in superior light transmission performance over a broad range of colors. In addition this series of binoculars is also phase corrected for the sharpest, distortion free images.

  • Wildlife Pro Series
    Bright and comfortable peak performance compacts designed for travel and mobility. These Pro Series Wildlife binoculars are tough, waterproof, portable and constructed from precision polycarbonate and alloy. These binoculars are built to handle the world's harshest conditions, yet offer clear, bright and precise viewing in a very small body design. The Wildlife Pro models are wrapped in a smooth, quiet and non-reflective earth-tone rubber armoring that makes them almost invisible to wildlife.

  • Military/Marine Series
    Original Tough-as-Nails performance for all outdoor applications. The Steiner Military/Marine series binoculars are versatile and offer amazing optical performance, they are one of Steiner's most popular style of binoculars and with their rugged construction look just like the binoculars that Steiner builds for military use. Suited for a wide variety of uses, including hunting and wildlife observation in the country and mountain terrain, forestry, wildlife management or boating.

  • Military R & Police Series
    Professionals around the world rely on these for clear details in critical situations. This series of binoculars are made to demanding military standards in order to offer the brightest detail and stand up to the toughest conditions. They are field-tested, combat proven, fog proof, waterproof and shock-resistant, and their lightweight design and incredible depth-of-field allows maximum user comfort during long hours of extended use.

  • Peregrine XP Series
    The pinnacle of Steiner performance designed for the most critical user. Using a new high pressure die-cast, lightweight Magnesium chassis, the Peregrine XP Series binoculars deliver the truest color, high image contrast and light transmission combined with rugged waterproof and submersible protection. Features a water-repelling "NANO-Protection" coating on the 44mm objective lenses and over-sized 30mm ocular lenses which help to produce images that are always clear, even in the rain and snow. Also, the new dielectric mirror and XP optical coating make Steiner's XP lens technology unique and offer new levels of performance.

  • Merlin Series
    Premium optics, rugged and comfortable feel at an exceptional value. The optics on these series binoculars are made with premium optical glass and are coated with Steiner's own natural color transmission multi-coating which boosts light transmission much higher than similar binoculars in this price range and yields extraordinary clarity, resolution and color fidelity.

  • Safari Pro Series
    Glare and UV blocking optics off comfortable crisp images in the mountains, sand and sea. Standard on all Safari Pro binoculars is the Safari Pro UV coating, which uses a special technology to enable you to see subjects far more clearly and comfortably in difficult light situations than with the naked eye. The optics on these binoculars reduce harmful UV radiation while providing maximum glassing comfort, leaving your eyes feeling cool and comfortable.

Choosing The Right Pair Of Binoculars

When view something through binoculars, quality of the imaging, including the brilliance and sharpness of the image you see, is determined by several factors. The most important factor determining performance is optical lens quality. While magnification, optical coating, and lens diameter are also very important considerations, the quality of lens glass is paramount.

Steiner pays close attention to these important details, with lenses made through exacting manufacturing processes and quality control. After lens glass, the following are important factors in choosing the right kind of binocs:

  • Magnification
  • Diameter of Objective Lenses
  • Field of View
  • Exit Pupil
  • Eye Relief
  • Inter Pupil Distance
  • Brightness
  • Resolution
  • Contrast
  • Close Focus
  • Lens Coatings
  • Prisms
  • Construction
  • Collimation
    Each of these factors are explained below:

    Magnification is the degree to which the object being viewed is enlarged. For example, with an 8x42 binocular, the number 8 represents the binocular "power". A binocular of the power 8 magnifies an image to eight times the size it would be when viewed by the normal, unaided human eye. The level of power affects the brightness of an image, so the lower the power of a binocular, the brighter the image it delivers will be. In general, increasing power will reduce both field of view and eye relief.

    The front lenses are the objective lenses. Their diameter in millimeters is the second number describing a particular model. A pair of 8x42 binoculars has an objective lens of 42mm. The diameter of the lens determines the light gathering ability of the instrument, with the greater light gathering ability of a larger lens translating into greater detail and image clarity. This is especially useful in low light conditions and at night.

    Doubling the size of the objective lenses quadruples the light gathering ability of the binocular. For instance, a 7x50 binocular has almost twice the light gathering ability of a 7x35 binocular and four times the light gathering ability of a 7x25 binocular. This might lead you to assume that bigger is better when it comes to the diameter size of the objective lenses, but in reality the size of the lens must be considered along with exit pupil and intended usage to determine the best binocular for you.

    The size of the area that can be seen while looking through a pair of binoculars is referred to as the field of view. The angular field of view is indicated on the outside of the binocular, in degrees. The linear field of view refers to the area that can be viewed at 1,000 yards, and is expressed in feet. A larger field of view translates to a larger area seen through the binocular.

    Field of view is related to magnification, with greater magnification creating a smaller field of view, in general. A large field of view is especially desirable in situations where the object viewed is likely to move, a large terrain area is viewed, or when the user is moving.

    The diameter, in millimeters, of the beam of light that leaves the eyepiece of a pair of binoculars is the "exit pupil". The larger the exit pupil, the brighter the image obtained will be. Having a large exit pupil is advantageous under low light conditions and at night. For astronomical, marine or low light applications, the exit pupil of the binocular should correspond with the amount of dilation of your eye's pupil after it has adapted to the dark. This number will be between 5mm and approximately 7.5 mm. 7 to 8mm of dilation is normally the maximum amount for the human eye, and this number tends to decrease with age.

    To calculate the exit pupil, divide the size of the objective lens by the magnification of the binocular. For example, the exit pupil of 7x50 binoculars is 50 / 7 = 7.14mm.

    Eye relief refers to the distance in millimeters that a binocular can be held from the eye and the full field of view can still be comfortably observed. Eyeglass wearers in particular benefit from longer eye relief. Normally, a minimum of 15mm will be needed to use the binocular while wearing eyeglasses.

    Inter Pupil distance is the distance (in millimeters) that a binocular can be used by users with both eyes viewing a complete viewing picture. In other words minimum distance for viewers with narrow eye distance and the maximum distance for viewers with eyes that are farther apart. Normal optics industry standards range at a minimum of 58 to a maximum width of 72mm. To accommodate a wide range of users, most Steiner models offer a minimum of 56 to a maximum of 75mm or more

    The binoculars' ability to gather and transmit enough of the available light to give a sufficiently bright and sharp image defines its brightness. The brightness of a binocular also enhances color differentiation in the image observed. R.B.I. (Relative Brightness Index), Twilight Factor and R.L.E. (Relative Light Efficiency) are common indices used in the binocular industry, but are all somewhat flawed in their design and often prove fairly meaningless as both high quality and low quality binoculars will gather the same result. Brightness is one criteria to be considered when purchasing binoculars, but is not always the most important factor.

    Given in order of importance to the overall brightness of a binocular, the following factors are worth investigating: objective lens diameter, magnification, the type and quality of the objective lens glass, type of lens coatings and type of prisms used. In general, large objective lenses, low magnification and fully multicoated lenses are the most desirable.

    Good low light binoculars will have high light transmission across the whole spectrum of color, evenly to produce good color fidelity and best low light results. Binoculars with spikes in their transmission at certain wave lengths are designed for brightness and contrast, Steiner also offers models for these types of specific applications.

    Resolution is a measurement of the binoculars' ability to distinguish fine detail and produce a sharp image. Better resolution also delivers more intense color. Resolution varies in relation to the size of the binoculars' objective lenses. Generally, a larger objective lens will deliver more detail to the eye than a smaller objective lens, regardless of the magnification of the binocular.

    However through technological advancements in production, there are a number of compact models available that deliver detail as good as larger models. Actual resolution is determined by the quality of the optical components, the type and quality of the optical coatings, atmospheric conditions, collimation (i.e. proper optical alignment), and the visual acuity of the user.

    Contrast refers to the degree to which both dim and bright objects in the image can be differentiated from each other and from the background of the image. High contrast helps in observing fainter objects and in discerning subtle visual details. The same applies to differences in color especially in darker or difficult light conditions. H

    igh quality optical coatings provide better contrast in an image. The other factors affecting contrast are: collimation, air turbulence, and objective lens, prism and eyepiece quality. Steiner offers several high contrast coatings such as the Predator Series for spotting and viewing wildlife against a foliated or wooded background or the Navigator Series which reduce haze and excessive blue light to product a sharp high contrast image while viewing over water or similar conditions.

    The distance between the binocular and the nearest object you can focus on while maintaining a good image and sharp focus defines the close focus distance of a binocular. This term is normally applied only to center focus models which may need to focus both near and farther distances. Close Focus distance is a critical issue with bird watchers and observers of close subjects that tend to move around at varying distances quickly. Steiner offers "Fast close focusing" on its lines of roof prism binoculars including the Merlin, Wildlife Pro, Peregrine and Predator Series.

    The optical elements of the binocular are coated to reduce internal light loss and glare, which in turn ensures even light transmission, resulting in greater image sharpness, brightness, color fidelity and contrast. Choosing a binocular with good lens coatings will ensure greater satisfaction with the binocular you select. Lens coatings range in quality or applications as follows: coated -- fully coated -- multicoated -- fully multicoated. Coated lenses are the lowest performance and basically will not result in much satisfaction. Fully coated lenses are quite economical and can work well for you, depending on your needs. Multicoated or fully multicoated lenses are both very good choices. Fully multicoated lenses give the best light transmission and brightest images, and are therefore the most desirable. Steiner offers only multicoated and fully multicoated lenses using a variety of proprietary mineral source substances to produce outstanding viewing results.

    A binoculars' prisms serve to invert the image and come in one of two basic designs: Roof or Porro prisms. By design, roof prisms are more lightweight and compact, for portability. Porro prisms are designated either BK-7 or BAK-4. Both are economical and highly effective designs. The finer glass in the BAK-4 design is of high density and virtually eliminates internal light scattering, producing sharp, well defined images. Steiner uses only BAK-4 prisms in their binoculars.

    A critical factor in the performance of any binocular is its construction. The security of the barrel alignment and proper internal mounting and alignment of the optics are crucial to producing a binocular that's mechanically reliable, smooth functioning and long-lasting. This is a special strength in Steiner models: By starting with the most durable design and then combining that with very strong materials that will hold the optical elements in place securely not allowing them to shift, therefore not to cause flaws or discomfort in the viewing experience. The proper design, materials and construction will also assure that the binocular is sealed to not allow intrusion of water or moisture.

    Collimation is the alignment of the optical elements of the binocular to the mechanical axis. Good collimation prevents eyestrain, headaches, inferior and double images while improving resolution. Unfortunately, proper collimation is almost impossible to achieve in very low priced binoculars that lack quality components and design. All Steiner models are collimated to produce a very comfortable viewing experience for a long period of time.

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