Features Recommended by the birding staff of “On the Wing” HD – High definition, ED – Extra low dispersion optical system Abbe prisms with Alpen’s exclusive SHR metallic coating for bright, sharp, high-resolution images A-lock diopter system allows you to set and lock the right eyepiece to fit your personal eye setting PXA phase coating […]

Features HD – High definition, ED – Extra low dispersion optical system Abbe prisms with Alpen’s exclusive SHR metallic coating for bright, sharp, high-resolution images A-lock diopter system allows you to set and lock the right eyepiece to fit your personal eye setting PXA phase coating for outstanding clarity and contrast Fully multi-coated for maximum […]