The 27X high-performance Motorized Zoom Lenses from Graflex Inc. are suited for military and commercial applications. Five basic 27X ratings are available, all with measured telephoto resolution exceeding 1000 TV lines. All units have multilayer, high-efficiency optical coatings for maximum transmission in the visible and NIR to 1 µm. Other features include motorized zoom, focus and iris metal gear trains; aluminum lens enclosure; and a fully closing iris with limit switches. Motorized 2X extender models are also available.