The Helios Quantum 6.3 22x 100 Semi-APO Triplet 90 degree Angled Viewing Astronomy Observation Binoculars 30985 have 90ï ½angled eyepiece with helical focus, high-index large Ba K-4 prisms & are made for medium to long-range terrestrial & astronomical investigations. Comes with tripod adaptor, integrated lens covers, carrying handle, an aluminium foam lined carrying case & can accept standard 1.25" telescope eyepieces.