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Theia’s 4K compatible varifocal telephoto lens can be used for long distance surveillance and license plate recognition.  This motorized version of the SL940 lens includes focus and zoom motors, IR cut filter, and photo interrupter limit switches for the focus and zoom ring positions.  It is designed for sensors such as 1/2.5″ 5MP and 1/2.3″ 4K resolution.  This compact lens is designed to be built into dome and bullet cameras.