Specifically designed for sonys full frame fe mount compact system cameras the samyang 14mm f28 af lens is one of the first in over 40 years of samyangs line of optics to come with autofocus af in addition to fast reliable autofocus this ultra wide angle lens comes with a fast f28 maximum aperture to allow for great low light performance and incorporates three aspherical and two extra low dispersion elements to ensure clean images with edge to edge sharpness this lens is perfect for l