Alpen Chisos 12x50 ED BinocularsBirders, hikers, and other outdoor adventurers will be amazed at the intense details and true color Alpen Optics new Chisos ED binoculars can capture. The superior optics in these binoculars combine extra low dispersion optical glass, phase coated prisms and fully broadband multi coated lenses to produce images with astounding clarity and contrast. The brightness is enhanced by the large 42mm and 50mm apertures, which are sized to bring in lots of