Varifocal 2 MP lens 8-26 mm, F0.9 DC-iris Designed to handle low light environments A varifocal Ricom 2 megapixel DC-iris lens with a focal length of 8 - 26 mm and fast aperture (F-number) of F0.9. The lens is designed for extreme light sensitivity and can handle low-light environments as low as 0.02 lux for color images and 0.004 lux for black and white images. The lens is compatible with selected cameras from AXIS Q16 Network Camera Series.