About Product:Tn-680c series digital sight is a high performance digital diurnal and night sight lens built by zhejiang ronger photoelectric light & light, which complies with the development trend of the sight. It has the features of low illumination, high imaging quality, high accuracy, double diurnal view, large multiplier, light weight, high cost performance and so on. For the use of professional hunting, the automatic tracking of electronic multiplication and division is specially designed