Axis ACC Lens CS Varif 9-40MM DC-IRIS LensThe Axis Theia Varifocal Telephoto Lens 5503 171is IR corrected in order to provide a perfect focused image both day and night. The P Iris lens is specially made for cameras with support for P Iris technology. These multi megapixel resolution lenses support cameras up to 5 megapixels. The Axis Theia Varifocal Telephoto Lens allows the user to digitally zoom in up to 16x. IR corrected lenses. Telephoto lenses. CS mount. Up to 5 megapixel resolution.