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Steiner Observer binoculars are characterized by great eye comfort and ergonomics, with which you can make long-term observations.
They are designed to be used in all kinds of situations and in all weather conditions, obtaining very bright images and great sharp resolution, in a wide field of view.
These binoculars are good value for money, with which you can get close to details with clarity and sharpness.
These models offer very bright images in detailed observations, both close up and at a distance, with good results.
Technologies:
- STEINER high contrast optics - STEINER high contrast optics provide clear, bright and high contrast images with razor sharp contours up to a short distance of 2m
- Fast-Close-Focus - Continuous, precise focus on the center focus knob for fast, sharp detail from close range to infinity. Convenient and easy targeting adjustment
- Extraordinary robustness: thanks to the strong and durable Makrolon polycarbonate housing, temperature range from –15 ° C to + 55 ° C. The non-slip NBR-Longlife rubber armor is resistant to oil, acid and weather
- Ergonomic design: with rubber operating elements, allows for comfortable and quiet observations with effective noise damping
- Rotating Cylindrical Eyepiece Holders - Made from long-lasting, hypoallergenic, soft silicone
- Triangular Prism Design: Its simple triangular prism design takes up little bulk, perfect for carrying in a backpack.
- All models have a 10-year warranty.
8x42 model features:
- Magnification: 8 x
- Objective Diameter: 42mm
- Pupil exit: 5.3mm
- Brightness: 27.6
- Twilight factor: 18.3
- Field of view at 1000 m: 116 m
- Focus system: Fast-Close-Focus
- Minimum focus: 2m
- High Performance Optics: High-Contrast
- Water resistant: yes (IPX4)
- Nitrogen filling.
- Temperature range: -15 ° C to + 55 ° C
- Eyepieces: Cylindrical Rotation Eyecups
- External rubber coating: NBR-Longlife
- Measurements: 128mm x 148mm x 65mm
- Weight: 696 g
8x56 model features:
- Magnification: 8 x
- Objective Diameter: 56mm
- Pupil exit: 7.0mm
- Brightness: 49
- Twilight factor: 21.17
- Field of view at 1000 m: 112 m
- Focus system: Fast Close Focus
- High-performance optics: STEINER High-Contrast Optik
- Water resistant: yes (IPX4)
- Nitrogen filling.
- Temperature range: -15 ° C bis + 55 ° C
- Eyepieces: Cylindrical Rotation Eyecups
- External rubber coating: NBR-Longlife
- Measurements: 144mm x 183mm x80mm
- Weight: 1130 g.
10x42 model features:
- Magnification: 10 x
- Objective Diameter: 42mm
- Pupil exit: 4.2 mm
- Brightness: 17.6
- Twilight factor: 20.5
- Field of view at 1000 m: 100 m
- Focus system: Fast-Close Focus
- Minimum focus: 2 m
- High Performance Optics: High-Contrast
- Water resistant: yes (IPX4)
- Temperature range: -15 ° C to + 55 ° C
- Eyepieces: Cylindrical Rotation Eyecups
- External rubber coating: NBR-Longlife
- Measurements: 128mm x 148mm x 65mm
- Weight: 706 g.
Accessories included:
- Carrying strap
- Objective caps.
- Rain protector.
- Bag.
Guide to choosing your binoculars
Before buying binoculars, we must be aware of the use we are going to give them as well as the budget we will have available in the choice when determining the technical characteristics we will choose.
A. TYPES OF PRISMATICS
Depending on the internal structure of each binocular (objective lenses, eyepieces and prism system).
- Depending on the prism system, there are two types:
- Porro: with better depth perception and the most economical option.
- Roof: with a smaller and lighter body.
- According to the quality of the prisms:
- Organic: they are usually made of plastic and are of poor quality.
- Mineral: or glass, they are the best option and can be BAK-7, cheaper and lower quality borosilicate glass or BAK-4 of higher quality and with sharper images with barium glass.
- Depending on the lens treatment:
- Coated: Partial coating
- Fully Coated: Complete coating
- Multicoated: Multiple layers of coating
- Fully Multicoated: Several layers of full coating
- Magnification and aperture:
The magnification is determined by the first technical number of the binocular optics, and the aperture by the second number (e.g. 8x40). In general, amateur binoculars should have between 7 and 10x magnification. Likewise, the larger the aperture, the higher the resolution, so we will have to move in a range between 30mm and 50mm. - Brightness:
It should be between 3.5 and 6 to be considered normal or very good. - Field of view:
It is the width in meters of the area visible through the binoculars at a distance of 1000 meters. Always depending on the fact that the higher the magnification of the binoculars, the smaller the field of view. - Focusing:
It is usually done through a wheel or by means of a cam. The minimum focusing distance is very important because sometimes we also need to observe objects at a very short distance. It should therefore be at least 8 meters. - Eye Relief:
This refers to the distance that must be between the eyes and the binocular so that the pupil equals the exit vision. The greater the distance, the more comfortable it will be. - Mount:
It will mark the resistance of your binoculars to adverse weather conditions. Water resistant or waterproof (submersible) and highly resistant to shocks are desirable features in the mount.
It is very important before making the purchase decision, to know what we want to use our binoculars for, as it will depend on the characteristics that we will require for some occasions or others.
- Initiation or General Use: it is best to opt for bright 8x40 binoculars, with a wide field of view and comfortable size and weight.
- Ornithology: the 8x40 is still a very good option but if we want to see birds at long distances we will opt for higher magnifications over 10x.
- Night use: with a minimum of 50x magnification.
- Mountain: we want a light and compact binoculars in 8x30 or 7x30 models,
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