This latest Samyang 85mm F1.4 AS IF UMC Aspherical Lenses also feature new UMC (Ultra Multi Coatings) which aid the very high level of light transmission, and adds further resistance to flare and ghosting. The 85mm F1.4 lenses are manual focus primes, designed to give exceptional results at wide apertures. At F1.4 great images can be obtained, which is perfect for portraiture and low light shooting.