HD 40x60 Cellphone Telescope $ 11.54 Features: Fully coated optic lens. See things 40X closer, HD clear imaging. Waterproof, full of the high-purity nitrogen. Product information: Magnification40xField of view1500m / 9500mField of view7 degreesPrism systemRoofEye lens diameter16mm / 0.63inchObjective lens diameter60mm / 2.36inchMonocular size144 x 80mm / 5.67 x 3.15inchLens material FMC green filmColorBlack