Delta Optical Extreme 10×50 ED Binoculars


The best optical properties supported by solid mechanics.

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    The Delta Extreme 10×50 ED Binoculars are a no-compromise solution. When constructing their priority was the best optical properties supported by solid mechanics. Therefore, a porro prism structure and components are used for low dispersion as well as massive prisms made of high quality Bak-4 glass. The ED lenses significantly reduce chromatic aberration in the image, and thanks to powerful prisms, you don’t have to worry about the image darkening or vignetting on the edge of the field. Moreover, the Delta Extreme 10×50 ED Binoculars include antireflective coatings (FMC) which cover all of the optical elements.

    This ensures more than 90 percent light transmission throughout the system, and thus, the light reaches our eyes and gives an extremely realistic image with natural colours. The image is free from defects such as astigmatism and coma, and with the correct image distortion correction is perfectly flat. All these features mean one thing – the Delta Optical Extreme 10×50 ED Binoculars produce extremely bright, sharp, high contrast image over the entire field of view! The Delta Titanium 10×50 ED Binoculars is designed on a structure of parameters tested by users and are considered universal. Magnification is large enough to see fine details, but small enough to avoid vibration and keep the image of a high brightness. As such, the binoculars are suited to hunting purposes.

    As a highly durable piece of equipment, it also works well for professional applications such as the protection of property and equipment. Observers of nature can also appreciate the quality of this equipment – the image will be clear, contrast, with excellent colour, and, because of the glass used, very detailed.

    What’s In The Box?

    • Delta Extreme 10×50 Binoculars
    • Robust Case
    • Lens Caps
    • Belt

    Additional information

    Weight 1.29 kg
    Dimensions 18.6 × 21.5 × 7.5 cm

    Delta Optical





    Optical Coating


    Objective Lens Material

    ED glass

    Twilight Factors


    Relative Brightness


    Exit Pupil


    Eye Relief


    Interpupillary Distance

    54 – 73mm

    Angular Field of View

    6.5 °

    Linear Field of View

    114m @ 100 m

    Minimum Focus Distance

    6 m

    Dioptre Adjustment


    Prism System


    Prism Material




    Nitrogen Filling


    Tripod Mount

    Adapter ¼"

    Key Points

    • ED optics – perfect correction of chromatic aberration
    • Fully flat field, wide angle optical system
    • Individual focus adjustment
    • Extremely rugged and durable
    • Suprisingly bright and high contrast of image in its class