The TD-042ED TM from Carson Optical is an 10x42mm Full-Sized 3D Binocular combining our HD optical coating technology with ED glass to give you the brightest, and clearest image possible. TD-042ED TM Binocular with ED Glass is ideal for use as Hunting Binoculars or Birding Binoculars. Rubberized armor coating makes this Full-Sized 3D Binocular rugged and shock proof. The body is nitrogen purged and O-ring sealed making them waterproof and fogproof. Extra long eye relief with twist down eyecups make this Full-Sized 3D ED Glass Binocular perfect for eyeglass wearers.CSNTD042ED. TD042ED. Carson CARSON TD-042ED 10 x 42mm 3D Series Binoculars with HD Optics & ED Glass.