US Patent 7581852 Portable device for viewing and imaging

A portable searchlight with a focused beam operating both in the infrared and visible portions of the spectrum with a range of approximately 400 meters includes telescopic lens system integrated with an illumination system. The beam of the searchlight and the telescopic lens are automatically aligned to both focus on the distant object. The telescopic lens system is combined with a digital camera system and an LCD display. The searchlight includes an eyepiece lens enabling an user to choose either viewing a display screen or using the eyepiece lens to optically observe the field of view.