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.
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.
|Binoculars series||Delta Optical Extreme|
|In production since|
|Field of view...||114m/1000m|
|Field of view (deg.).||7.3269°|
|Apparent field of view (deg.).||0°|
|Lens coating||Fully Multicoated|
|Focusing system||Separated for each eye|
|Diopter setting position||N/A|
|Body type||Single hindge|