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The Olympus 8×42 EXWP I Binoculars: Waterproof ‘Extreme’ Roof Prism Binoculars for Optimum Performance even when the Going’s ToughFor those who enjoy boating, camping, hiking, bird watching, astronomy and the outdoor life in general the professional 8×42 EXWP I roof prism type binoculars really make the grade. These slim, stylish yet robust waterproof binoculars can even be submerged to a depth of one metre for up to five minutes.Thanks to a nitrogen-filled body, the Olympus 8×42 EXWP I are additionally fog proof and dirt proof. They naturally come fitted with high-grade optical components to ensure a perfect view, even in low light conditions.Additional qualities for everyday use include fully multi-coated lenses for maximum image brightness and contrast, phase and UV coating, plus high index BaK-4 prism for bright and crisp images that retain detail edge to edge. Peace of mind and years of pleasure are further guaranteed thanks to a 25-year European warranty.Exit pupil explained
Delivers Optical Perfection, Whether Day or NightThis particular model offers an 8x magnification and a 42mm objective lens diameter. As it sounds, the 8x magnification produces an image that appears as if the user were eight times closer to their subject, while the objective lens diameter refers to how much light is gathered to form that image. While for daytime use a lens diameter of 21 to 25mm is useful, for night-time viewing something between 35 to 50mm is recommended. Therefore the 42mm specification of these binoculars indicates excellent suitability for low light visualisation.Also worth considering for low light work is the exit pupil. Here that is 5.3mm, which for 8×42 binoculars is arrived at via 42 divided by 8 = 5.3 exit pupil in mm. Generally when there is less light around, binoculars with an exit pupil of 5 to 7mm are desirable. Another thing to take into account is the field of view, which here is an ample 110 metres, and is defined as the width of the viewable field at a distance of 1000m from the point of observation.Angle of view
In the Wet or in the Wild, the 8×42 EXWP I Provide a Versatile and Bright PerformanceOffering an 8x magnification to bring faraway points of interest that much closer plus a 42mm objective lens diameter, the Olympus 8×42 EXWP I Binoculars incorporate fully multi coated lenses to deliver maximum image brightness, visual impact and image defining contrast.Fast and easy focusing is provided courtesy of a large, centrally placed knob. Whats more the high index BaK-4 prisms naturally provide images that are crisp from edge to edge, while built-in dioptric correction adjusts to individual eyesight.The 8×42 EXWP I model further sports a long 18mm eye relief for extra comfort with twist up/down eyepieces, diopter adjustment so the binoculars can be tailored to an individuals eyesight for comfortable viewing without glasses, plus it offers a near focus distance of four metres.Prism types explained
Engineered for Excellence, Built to LastBoasting a new, ergonomic contoured design and weighing a reassuringly solid feel 650g, the Olympus 8×42 EXWP I measurements are a manageable 129x145x53mm, while the package includes a neck strap, case and protective lens covers.In summary, with a lens configuration of 7 elements in 5 groups, and a 18mm eye relief, the field of view at 1000m is 110m. The actual field of view is 6.3 while the apparent angle of view is 50.4.These are also binoculars that will repay your original investment with years of good service. A case in point: a 25-year warranty is included with any purchase. Whats more they are environmentally friendly lead free glasses.
Category: Cameras and Photography:Telescopes and Binoculars:Binoculars and Monoculars
Location: Carmarthen
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