binoculars can be used to observe distant objects
binoculars is not sensory_enhancement_device_visual. binoculars is not vision_aid. binoculars is sensory_enhancement_device_visual. underwater_camera is portable_object. binoculars is not easier_to_use_than_telescope. binoculars is single_user_device. binoculars is vision_aid. binoculars is not single_user_device. underwater_camera is not portable_object. binoculars is easier_to_use_than_telescope.