Oberwerk – High Performance Optics for Earth & Sky
Questions? Call us at 937-640-1040 Mon-Fri 9:00am-5:30pm EDT

The World's Most Powerful Binocular

Uncompromised Portability


Sport ED Series

Featuring lightweight, high-performance optics with flawless color rendition. Perfect for advanced-level bird-watching and wildlife viewing.

Mil-spec Ruggedness


Ultra Series

Our finest quality mid-size, mil-spec binoculars. Equaling the performance of the finest Japanese brands, for about half the price.

Unmatched Power


BT-100XL-ED

Oberwerk Binocular Telescopes are simply the most-powerful, versatile and highest-quality binoculars on the market, bar none.

Why choose Oberwerk?


All Oberwerk binoculars are thoroughly hand-inspected and collimated before being shipped, following a strict quality assurance checklist.

We provide a Lifetime Exchange Program for all Oberwerk binoculars no matter the condition, age, where or how you came to own it.

News


Company Developments, Special Offers, and Ownership Tips

SPACE.COM – The One Binocular to Have if You Can Have Only One

SPACE.COM went on a quest to discover the best all-around binocular for astronomy, nature, sports and travel. It’s a lengthy article, but concludes with- “No matter how much — or how little — you have to spend, it makes sense to have one “grab-and-go” set of binoculars that you can trust to bring all the

Binocular Enthusiast Website “Binomania” Reviews the Oberwerk BT-100XL-ED

Last month, the popular Italian website binomania.it interviewed Oberwerk’s Kevin Busarow about the new XL Series binocular telescopes. This month, Binomania publishes their first review of the BT-100XL-ED, comparing it to the finest binoculars on the market. Note that it’s in Italian, but there is a Translate option on the right side of the webpage.

Did We Really Need Another Collimator? Yes- it’s an Ultra-Rare Genuine Navy Mark V!

In 2013, Oberwerk’s Kevin Busarow was trained in “Tail of the Arc” binocular collimation (alignment) on a Navy Mark V collimator by retired Navy Opticalman Cory Suddarth, of Suddarth Optical Repair. Shortly after returning from training in Oklahoma, Kevin built a working collimator from a surplus spy plane camera lens. The other necessary component- an