Focal Length:24 mmAperture:Maximum: f/1.4Minimum: f/22Camera Mount Type:Sony Alpha Minolta AFFormat Compatibility:35mm Film / Full-Frame Digital SensorDSLR (APS-C Sensor)Angle of View:84.1deg.APS-C Picture Angle: 61.8deg.Minimum Focus Distance:9.84'' (24.99 cm)Groups/Elements:12/13Diaphragm Blades:8Filter Thread:Front: 77mm / 3.03''Dimensions (DxL):3.27x3.74'' (83.05x95mm)・Ideal for landscapes interiors street photography low-light photography and general photography・Constructed with hybrid aspherical lenses for outstanding sharply defined images・Features super multi-layer coating to reduce flare and ghost images・Lens has a minimum focusing distance of 9.84'' for enhanced close-up shotsThe Samyang 24mm f/1.4 ED AS UMC Wide-Angle Lens for Sony Alpha gives you a wide 84deg. view when used with a full-frame 35mm camera 57.6deg. when used with an APS-C camera or 47.6deg. with Four-Thirds cameras. Four low-dispersion (ED) glass elements and two aspheric elements produce sharply defined images with a minimum of aberrations.The lens focuses as close as 9.84'' from the lens giving you outstanding wide-angle close-up views. A multi-layered and anti-reflection UMC coating provides superb light transmission and reduced flaring. This lens will operate in Aperture Priority Shutter Priority Program and Manual exposure modes. It is a manual focus lens.