XL Series Binocular Telescopes

Our flagship products, the world’s finest binocular telescopes, are available in 11 different models in 5 objective sizes- 70mm, 82mm, 100mm, 120mm, and 127mm. A binocular telescope has interchangeable eyepieces, and it’s the eyepieces that determine magnification. Just about any 1.25″ telescope eyepieces on the market can be used, however Oberwerk offers three wide-field eyepiece choices that are optimized for the XL’s. Our mid-power eyepieces are included, low-power and high-power eyepieces are optional. Actual magnification range is determined by the objective size of the binocular, and that range is progressively higher as objective size goes up. All XL’s have magnesium alloy construction, and they are engineered to be the lightest-weight binocular telescopes on the market.

Two glass types are available- ED (FK-61), which eliminates the majority of CA, and SD (FCD100), which eliminates virtually all CA, up to the recommended magnification limits. All have 45-degree viewing, which makes viewing to the horizon or viewing to zenith (directly overhead) equally comfortable. All ED and SD models have a lustrous Luna Pearl painted finish. TE (Tactical Edition) models come with a dull gray textured finish, and are intended for hunting, military usage, and long-range target shooting. All TE’s have SD glass, and come with weatherproof travel cases.

The smaller to mid-size XL’s are ideal for the home-with-a-view. Whether it’s watching whales at sea, elk in the mountains, or ships in the harbor- there is no finer instrument than an XL.

For astronomy, any XL would be a great choice, but the larger the objectives, the more detail will be seen in dimmer night sky objects. The two largest XL’s are available only with SD glass. With their huge amount of light gathering power, they are intended for serious amateur astronomers. All XL’s of course will require a tripod, our TR3 is the recommended choice.