The SL410 4-10mm CS-Mount F/1.4 4K DC Manual-Iris Varifocal Lens from Theia Technologies is designed for true 4K resolution.  With varifocal length from 4-10mm and superior imaging performance, the SL410 can be used with image sensors from 1/2.3" up to 1/1.7". The lens is designed to be very compact so it can be used in small enclosures such as 4" domes and on 4K box cameras for security and machine vision applications.  

The SL410 lens allows the installer to take full advantage of the high resolution of 4K, HD, and multi megapixel cameras.  The lens can be used on cameras up to 12 MP resolution giving a crisp image from edge to edge.