Focal Length 70 to 200mm, Maximum Aperture f/4, Minimum Aperture f/22, Lens Mount Leica L, Format Compatibility Full-Frame, Angle of View 34° to 12°, Maximum Magnification 0.25x, Minimum Focus Distance 3.02' / 92 cm, Optical Design 23 Elements in 17 Groups, Diaphragm Blades 9, Rounded, Focus Type Autofocus, Image Stabilization Yes, Tripod Collar Removable and Rotating, Filter Size 77 mm (Front), Dimensions (ø x L) 3.32 x 7.05" / 84.4 x 179 mm, Weight 2.2 lb / 985 g