The Beiter Scope Ø39 is the "Large Field" Scope, which Werner Beiter developed upon the requests of Compound Archers world-wide, asking for features like a large field of view, more light, variable aiming options, an easy and individual centering of the Peep, an easy exchangeable level...The Beiter Scope Ø39 is equipped with a ZEISS K-Lens. Beiter is the only manufacturer in Archery using original ZEISS lenses Made in Germany!