Bushnell Binocular 10-90X80 With ZoomModel: Bushnell 10 - 90 x 80you can use this binocular telescope to see the object clearlyZoom: 10x - 90xObjective diameter: 80 xEffective diameter of objective: 60mmField of view:234FT / 1000YDS AT 10x78M / 1000 AT 10xVariable power and high powered telescopePC-..