The NEW Samyang 14mm Ultra-Wide Angle F/2.8 IF ED UMC Lens is the highest quality affordably priced 14mm lens on the market.  It is designed for full frame cameras and is fully compatible with APS-C cameras as well.  Its build and construction are superb!  The lens construction is 14 elements in 12 groups and features 2 ED lens elements, one hybrid aspherical lens element and one glass aspherical lens element.  All of these lens elements combine to minimize distortion and chromatic aberrations.  Your pictures are sure to come our razor sharp and clear, even at the corners! The Samyang 14mm lens features a remarkable 115.7 Degree angle of view on full-frame cameras and a 93.9 Degree angle of view on APS-C cameras.  The lens is for Pentax.