Oberwerk Sponsors The Biggest Week in American Birding

Oberwerk is a new sponsor of the largest gathering of bird-watchers in the USA- The Biggest Week in American Birding, in Northwest Ohio, “The Warbler Capital of the World”. Come see us at Optics Alley at the Black Swamp Bird Observatory, May 8th-11th, where we’ll be demoing our new Sport HD Series binoculars, Mariner Series, the BT-70-45 and BT-100, and also introducing our new Sport ED Series.