The Delta Optical DO Starlight 15×70 is an inexpensive binocular for the beginner night sky enthusiast looking for an optic with reasonable price and parameters, allowing sky observation.The Delta Optical DO Starlight 15 × 70 is a porro prismatic telescope with powerful 70 mm diameter lenses, Bak4 prisms and multi-coated reflecting surfaces, which ensure a clear, bright image with correct astigmatism correction and no chromatic aberration or coma.The surface of the binoculars is covered with a soft rubberized material that provides high grip and good shock absorption in case of a fall.As for the mechanics of the binoculars, attention should be paid to the large eyecups, good isolation of ambient light, comfortable central focusing , the inside of the tubes are well darkened. The Delta Optical StarLight 15 × 70 is designed for those who want to start their adventure with astronomy and sky observation the right way.SPECIFICATIONSPage informationFilling gas none:Angular field of view [°] 4.7Diopter adjustment [±] 3Linear field of view at 1000 m [m] 82Min. Focal length [m] 22.Magnification [×] 15Ocular distance [mm] 57-72Optical efficiency 32.4Prism arrangement porroPupil distance [mm] 4.7Additional informationStand mounting option YesApplication (intended use)wildlife observation and hunting,outdoorDimensionsWeight [g] 1390Objective diameter [mm] 70Width [mm] 220Total height [mm] 110IncludedTelescopesIncluding elementsHelmet strap,holder,glass caps,binoculars