Sighting device having luminuous aiming function

The utility model relates to a collimator with two or at least two different color lightening lamp-houses, and can be matched with firearms and other shooting weapons. The utility model has a drawtube; an optical collimating system whose collimator is composed of a set of optical lens is arranged inside the drawtube. The inside of the drawtube is also provided with a lighteing and collimating device, which is characterized in that the lightening and collimating device includes two or at least two different colors lightening lamp-houses. The utility model has the beneficial effects that: 1. the utility model is provided with two or a plurality of colors lightening lamp-houses, which thereby can meet different choice in different environment and further enhances the using performance of the collimator and the adaption to the environment; 2. the utility model is simple in structure, and stable and reliable in performance; 3. the brighteness can be adjusted, and the better visual brightness can be provided according to the outside beam; and on the other hand, the utility model saves the power.