Orion 09327 Giant View 15x70 Astronomy Binoculars (Black) Portable yet powerful, these binoculars feature 70mm objective lenses and 15x power magnification BAK-4 prisms and fully multi-coated optics ensure great light transmission and contrast Individual binocular eyepiece focusing for enhanced accuracy We recommend using a tripod for extended viewing, attachment to tripod requires L-adapter and field tripod or binocular mount (all sold separately) Includes heavy-duty aluminum case, dust caps, and more