XL

The pinnacle of Oberwerk optical technology

achieving superior image quality with a 100mm binocular telescope that weighs a mere 5.67 kg!

The BT-82XL-ED is the pinnacle of Oberwerk optical technology

The BT-100XL-ED is the pinnacle of Oberwerk optical technology.

The least-expensive ED binocular telescope on the market.

The pinnacle of Oberwerk optical technology

Our newest and largest XL Series Binocular Telescope