Focal Length 600mm, Maximum Aperture f/4, Minimum Aperture f/22, Lens Mount Sony E, Format Compatibility Full-Frame, Angle of View 4° 10', Maximum Magnification 0.14x, Minimum Focus Distance 14.8' / 4.51 m, Optical Design 24 Elements in 18 Groups, Diaphragm Blades 11, Rounded, Focus Type Autofocus, Image Stabilization Yes, Tripod Collar Fixed and Rotating, Filter Size 40.5 mm (Drop-In), Dimensions (ø x L) 6.44 x 17.68" / 163.6 x 449 mm, Weight 6.7 lb / 3.04 kg