Kowa Genesis 10.5x44 DCF Binocular with XD Lens

  • 10.5x Magnification
  • Rubber Armoured
  • XD Lenses
  • C3 Coating
  • Magnesium Alloy Body
  • Phase Coating
  • All-surface Multicoating
  • Water-proof surface filled with WP dry nitrogen gas
  • Twist-up Eye cup
    Kowa Genesis 10.5x44 DCF Binocular with XD Lens

    For navigators, hunters and birdwatchers who want a clear image of far away objects, the Kowa Genesis 10.5x44 DF ED Binoculars will not only get the job done, it will impress and delight the user.The Kowa Genesis 10.5x44 DF ED Binoculars features a powerful 10.5 times magnification and a wide 44mm objective lens that ensures that you can track your target with clarity. These binoculars also incorporate PROMINAR lenses with 2 sets of XD lenses which helps eliminate chromatic aberration. Discolouration and blurriness will become a thing of the past!

    One of the major causes of deterioration in optics viewing quality is chromatic aberration (colour blur). Chromatic aberration occurs due to the dispersion of light and the different wavelengths of light focusing on different positions, resulting in red or purple fringes around the image. The optimum optical material to minimise chromatic aberration is fluorite crystal.

    A fluorite crystal with extremely low dispersion characteristics is used for the convex lens of the KWA-G8544/G10544 PROMINAR models. Instead of an ordinary optical glass lens, the concave lens paired with the fluorite crystal lens is made of glass with special dispersion properties to reduce the chromatic aberration to a further degree. This combination of fluorite crystal and glass with special dispersion properties nearly eliminates chromatic aberration and redefines the standards of colour brilliance.

    This technology is the result of many years of optical design, and has greatly reduced chromatic aberration, while maintaining a large diameter lens and high contrast images when compared with conventional models.

    The XD lens used in the KWA-G8544/G10544 PROMINAR models has characteristics similar to those of fluorite crystal to significantly reduce the chromatic aberration. All lenses are environmentally friendly Eco-Glass. (Eco-Glass is an environmentally friendly glass that does not contain lead or other harmful substances.)

    XD Lenses
    Kowa’s branded XD Lenses (eXtra-low Dispersion glass which has characteristics close to fluorite crystal), when combined with a concave lens possessing special dispersion properties, reduces a very high percentage of chromatic aberration (color blur).

    C3 Coating
    Kowa’s roof prism binoculars use a Schmidt-Pechan prism. One surface of the Pechan prism does not provide total reflection, so a highly reflective C3 coating has been applied. This allows for higher reflectivity than with silver or optically enhanced aluminum which offers a 99% or higher reflectance across the entire visible spectrum (400-700nm). This not only provides bright and sharp images but also accurate color reproduction.

    Magnesium alloy body
    Advanced thixomolding technology provides the benefits of a high strength metal body but in a lightweight magnesium alloy structure. The durability and reliability of these binoculars can withstand the most severe conditions which provide users the greatest degree of confidence.

    Phase Coating
    Phase coated roof prism ? The Schmidt prism roof surface is phase corrected to ensure sharp images and outstanding contrast.

    All-surface Multicoating
    Multi-coated Optical System provides precise color definition for a brighter and sharper image. Waterproof structure filled with WP dry nitrogen gas The housing is waterproof and filled with nitrogen gas which prevents internal fogging. **Not intended for underwater use. Twist-up Eyecup Twist-up multi-step eyecups allow easy viewing even when wearing eyeglasses.
    More Information
    Objective Diameter 44 mm
    Aperture 44
    Prism Glass Quality BaK-4
    Water Proof Yes
    Fog Proof Yes
    Prism Type Roof
    Magnification 10x
    Minimum focusing distance 1.7m
    Real field of view 7.0 degrees
    Exit pupil 5.2mm
    Relative brightness 27.0
    Twilight factor 19.3
    Eye relief 18.3 mm
    Field of view at 1000 M 122.3 M
    Dimensions (mm) 165x138x64mm
    Weight 940g
    Brand Kowa
    Barcode 4987067396511
    Magnification 10x
    Objective Diameter 44mm
    Prism Type Roof
    Focus Type Center Focus
    Exit Pupil(mm) 4.2
    Eye Relief (mm) 16
    Close Focus (m) 1.7
    Field of View (m@1000m) 122.3 M
    Lens Coating Fully-Multicoated
    Eyecups Twist Up
    Level Of Protection waterproof
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