An apparatus for providing pan and tilt capability to a stationary imaging device
comprises a first achromatic prism doublet positioned on a first axis, a second
achromatic prism doublet positioned on the first axis, and at least one motor for
rotating the first and second achromatic prism doublets about the first axis whereby
polychromatic electromagnetic radiation from a portion of an area of interest is
directed toward an imaging device. A method of using the apparatus is also provided.