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// 29.9.2023 GA4 add to cart // 29.9.2023 GA4 add to cart

Delta Optical Extreme 10x50 ED

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Delta Optical Extreme 10x50 ED Details

Delta Optical Extreme 10x50 model is incredibly durable binocular that provides very bright images due to Porro prism system. They are perfect for long-range observations during challenging light conditions - for hunting, bird watching, astronomy and marine, since it gives you a lot of details even during twilight hours. The powerful prism system gives you very high light transmission rate and high-quality coatings on ED glass surfaces eliminates major distortions such as chromatic aberration and offers razor-sharp images with great resolution from edge to edge. These binoculars are highly durable and protected with rugged rubber armoring that allows you to safely grasp the construction and protect the binoculars against impacts and corrosion. Individual focusing also helps to make the construction even more impervious to moisture and other particles that might get into binoculars and damage them. The housing is also filled with nitrogen gas that eliminates internal fogging. They won’t yield even in the areas with the most extreme temperatures, from 40 to – 70 °C. They are equipped with eyecups that feels comfortable and cuts light from the sides. They aren’t multi-positioned, but gives enough distance from the exit pupil to be suitable even for eye glass wearers.


Short Description of Delta Optical Extreme binoculars

The Delta Optical Extreme series offers the biggest and one of the most powerful binoculars with Porro prism system on the market. Large variety of binoculars in this series are suitable for marine use, hunting, military, navy, law enforcement and astronomy applications. Even though these binoculars use Porro prism system, they are upgraded with modern optical innovations. The construction is wrapped in rubber armor to protect them against different impacts and rugged surface provides you with a non-slip grip although it’s recommended mounting them to a tripod, since they are much heavier. Optically the Extreme series offers incredibly high light transmission rate with the help of FCM multi-coated system on ED glass surfaces with razor sharp images free of major distortions from edge to edge. These binoculars are also waterproof and fog-proof due to nitrogen gas purging and tight seals and will not get damaged even when used during harsh weather conditions and can operate in temperature range from -40 to 70 °C. To make proper focus adjustments, the Extreme series is equipped with individual focusing mechanism, that also helps to make them more impervious. Eyepieces have only one position but longer exit pupil distance helps to give a proper eye-relief even for eye glass wearers.


Features of Delta Optical Extreme Binoculars

  • Multi-coated (FMC coating)
  • ED Glass
  • Aluminum Body
  • Porro Prism Binoculars
  • Phase Correction
  • Prism Coatings
  • Bak4 Prisms
  • Rugged Rubber Armoring
  • One-Position Eyecups
  • Individual Focusing
  • Waterproof and fog-proof (Nitrogen filling)
  • Tripod Adaptable
  • Wider FOV


Accessories of Delta Optical Extreme Binoculars

  • Neck Strap
  • Protective Case
  • Objective Lens Covers
  • Rainguards
  • Tripod adapter
  • Lens Cleaning Cloth
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Delta Optical Extreme 10x50 ED Specifications

ManufacturerDelta Optical
Binoculars seriesDelta Optical Extreme
Made inChina
In production since
Warranty5 years
Type of prism Porro
Variable magnification No
Magnification. 10x
Diopter adjustment
Lens size diameter. 50 mm
Exit pupil. 5 mm
Field of view - FOV... 114m/1000m
Field of view (angular). 7.33°
Apperent FOV (angular).
Eye relief distance. 21.02mm
Closest focusing distance. 0m
Twilight Factor 22.36
Light transmittance
Relative Brightness 25
Lens coatings Fully Multicoated
Length.209.32 mm
Width.242.51 mm
Height.84.6 mm
Working temperature range
Filled with Nitrogen
Focusing system Separated for each eye
Diopter setting locationNo
Minimal interpupillary distance.0 mm
Maximal interpupillary distance.0 mm
Type of BodySingle hinge
Water proof Yes
Fogproof Yes
Tripod compliantNo
Built-in Compass No
Built in Range finderNo
Image stabilization (IS) No
Able to float No


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