Our Eclipse surveillance camera lenses are available in numerous designs, including fixed focal-manual iris , fixed iris-manual focus , varifocal and motorized zoom lens options . Every security camera lens we offer comes with unique functionality and is designed for various surveillance applications . Auto-iris lenses are created for outdoor use , or any applications with variable lighting conditions . Fixed lenses provide fixed focal lengths from super wide angle to telephoto based on the security camera format and intended application . Varifocal lenses are designed to meet a variety of applications, providing the flexibility to adjust between different focal lengths with a single lens .