| This newest version of Nikon’s renowned 10 x 42mm Premier has truly outstanding high power optics, with excellent resolution, contrast, and color fidelity. Specially designed eyepieces and field-flattening lenses provide a very flat field from edge to edge and very low astigmatism. The image quality is typically Nikon – truly superb.
Its premium H-body roof prism optics use ecologically-safe glass components made without lead or arsenic, as is the case with conventional binoculars. All air-to-glass surfaces are fully multicoated with proprietary Nikon antireflection materials for the highest possible light transmission and contrast. The roof prisms use high index BaK4 glass for superb light transmission. The prisms’ mirrored surfaces are silver coated for superior reflectivity. In addition, phase-correcting coatings on the prisms make a visible difference when looking at backlit subjects in early morning or late afternoon, where the coatings reveal substantially more detail and color in the shadowed areas than can be seen through optics without phase coatings.
The strong and lightweight magnesium alloy body is nitrogen-filled and O-ring sealed to be fogproof and fully waterproof. This allows the binocular to survive sudden showers as well as full monsoon conditions. The inert nitrogen filling also ensures a lifetime of bright, tarnish-free performance from the silver prism coatings.
The body is fully clad in protective black rubber armor. Textured gripping surfaces and thumb rests in the armor provide a secure grip in wet weather, and a more comfortable grip in hot or cold climates.
The 10 x 42mm has very fast focusing, moving quickly and smoothly from the horizon to a 9.8’ close focus in only a hair more than one turn of the large ribbed rubber center focus knob. There is a continuously variable rotary diopter adjustment collar on the right eyepiece to match the optics to the user’s individual eyesight. Pull the collar up to adjust the diopter, then push it down again to lock the correction in place so you can’t accidentally change the diopter setting during routine binocular use. Four-position twist up and lock in place rubber-rimmed eyecups and a quite long 18mm eye relief allow eyeglass wearers to see a virtually unvignetted field.
The 10 x 42mm comes with a soft carrying case with a durable magnetic catch that keeps the case securely closed when traveling, but opens easily for quick access to your binocular when a life bird happens by. Individual objective lens covers are supplied for optics protection during storage. The eyepiece rainguard is oversized to be easily removable, even when wearing gloves or mittens. It has loops to let you tether it to the 1-1/8" wide binocular neck strap so it can’t get lost in the field.
Optically very sharp and bright, the Premier has superbly accurate color fidelity and excellent contrast. Its astigmatism is very low, as is its distortion and curvature of field. The eyepiece design and a special field-flattening lens make the images look virtually as crisp at the edges of the field as they do in the center. All in all, an optically superb high power binocular that you will be proud to call your own for many years to come. It’s one that is unlikely to be surpassed in performance for as long as you own it.
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