The Rokinon 14mm F2.8 ED AS IF UMC Lens gives you approximately a 115° view with dramatic results when used with a full frame digital camera or 35mm film camera. With hybrid aspherical lenses, you will produce sharply defined images with a minimum of distortion and chromatic aberrations. This manual focus 14mm lens focuses as close as 0.9′ (28 cm) from the lens, and has a built-in petal-type lens hood. Ultra wide-angle 14mm lens with an approximately 90° angle of view using an APS-C camera, for dramatic effects. Lens is constructed with two ED lens elements, one hybrid aspherical lens element and one glass aspherical lens element, for outstanding, sharply defined images. Minimal distortion and chromatic aberrations. Super multi-layer coating to reduce flares and ghost images. Lens has a minimum focusing distance of 0.9′ (28 cm) for enhanced close-up shots. Also conforms to APS-C (1:1.5x) size digital imaging format. Lens includes a built-in petal-type lens hood. Maximum Aperture: F2.8. Coverage: Full Frame (FX). Optical Construction: 14 Glass Elements In 10 Groups. Aperture Range: F2.8 to F22. Minimum Focusing Distance: 11(0.28m). Lens Hood: Built-In Petal Shaped. Maximum Diameter: 3.4(87mm). Weight: 18.70oz (530g). Length: 3.72 (94.6mm). Rokinon 14mm F2.8 ED AS IF UMC lens.