Pelco?s 13M2.8-8 2.8 - 8.0mm F/1.3 - 1.9 Varifocal Zoom Lens is a new class of lens specially designed to provide optimal results when used in cameras with megapixel sensors. Appropriate for indoor and outdoor lighting situations, the 13M2.8-8 lens will fit all 1/3-inch CS-mount cameras requiring DC drive auto iris lenses.