100% similar to Basler # 2200000575  C11-1220-12M - Basler Premium Lenses are manufactured by a 3rd party manufacturer. We source the lens with matching specifications from the same 3rd party manufacturer at significant savings.  C-mount,  1.1", a focal length of 16.0 mm, F-stop settings from F2.0 - F16.  This lens matches perfectly with Basler cameras with a resolution of up to 12-20 megapixels and a sensor size of up to 1.1".