Mounts
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Extreme 10.5x70 made by Delta Optical are extremely durable binoculars made by uncompromising build materials, traditional Porro prism system and modern optical innovations that is able to satisfy even the most demanding users. 10.5x magnifications provides a lot of detail when observing into greater distances and 70 mm objective lens draws in incredible amount of light, so you can see clearly even during nighttime. This model is perfect not only for hunting, military and law enforcement personnel but also for astronomy observations. You can observe stars, planets, comets, galaxies, and other celestial phenomenon in the sky. They are extremely durable due to thick rugged rubber armoring that protects them against impacts and very good to fight the corrosion since they are completely impervious with the help of tight seals. Nitrogen gas housing also helps to eliminate internal glass fogging which is very welcome when facing quick temperature fluctuations. They are able to withstand temperature from 40 to -70 °C. Extreme 10.5x70 model is coated with FMC anti-reflective coatings and phase corrected to provide even more bright images with great resolution and colors, free of major distortions.
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 |
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Made in | China |
Warranty | 5 years |
Type of prism | Porro |
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Variable magnification | No |
Magnification. | $11.96 |
Twilight Factor | 44.5 |
Relative Brightness | 27.11 |
Lens coatings | Fully Multicoated |
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Filled with | Nitrogen |
Focusing system | Separated for each eye |
Water proof | Yes |
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Fogproof | Yes |
Built-in Compass | No |
Built in Range finder | No |
Image stabilization (IS) | No |
Able to float | No |
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