Zeiss 8x42 Terra ED Water Proof Roof Prism Binocular with 7.2 Degree Angle of View The smooth focusing system and the ergonomically correct eye cups guarantee that observations are more comfortable than ever This state-of-the-art coating ensures that ZEISS TERRA ED will impress you even under difficult conditions such as adverse weather and challenging outdoor situations Waterproof 7.22 degree angle of view / 42mm objective dia. / 8x power standard size with roof prism