35mm Wide Angle Focal Length-Manual Focus-Features Built-in AE Chip for Auto Aperture and Auto Exposure-Aperture Range: F1.4 - F22-Angle of View: 63.1 Degrees on Full Frame-Constuction: 12 Elements in 10 Groups-Includes Lens Hood, Lens Caps, Lens Pouch, Instruction Manual and 1 Year Rokinon Warranty Now features an Automatic Chip for Aperture and other setting adjustments right from your DSLR cameras user interface and LCDMounts directly to your Nikon DSLR camera Compact and lightweight Fully compatible with the automated features available on digital SLR cameras Aspherical type lens provides clear and sharp images Ideal use as a portrait lens Aperture Range: F/1.4 - 22 Optical Construction: 12 Elements in 10 Groups Angle of View: 63.1 degrees Minimum Focusing Distance: 1.0 ft./0.3m Filter Size: 77mm Length: 3.3 inches Maximum Diameter: 83.0mm/3.26in Focus Type: Manual Includes a lens cap, lens case, and 1 year Rokinon warranty