Sony 16-35mm Vario-Tessar T FE F4 ZA OSS E-Mount Lens Ideal for landscapes and the a7 series of full frame cameras, ZEISS T (T star) coating to reduce flare and ghosting Minimum Focus Distance : 0.92 ft (0.28 m), Maximum Magnification ratio : 0.19x, Focal-Length : 5/8 - 1-3/8 Inches Three ED glass elements to suppress chromatic distortion, constant F4 maximum aperture throughout the zoom range Built-in Optical Steady Shot image stabilization, dust and moisture resistant design Angle of View (35 mm)107-63 Angle of View (APS-C) 83-44. Weight- 18.3 ounce.Optical Design : 12 Elements in 10 Groups