Canon RF 15-35mm F/2.8L IS USM Specs Focal Length 15 to 35mm Maximum Aperture f/2.8 Minimum Aperture f/22 Lens Mount Canon RF Format Compatibility Full-Frame Angle of View 110° 30' to 63° Minimum Focus Distance 11.02" / 28 cm Maximum Magnification 0.21x Optical Design 16 Elements in 12 Groups Diaphragm Blades 9, Rounded Focus Type Autofocus Image Stabilization Yes Filter Size 82 mm (Front) Dimensions (ø x L) 3.48 x 4.99" / 88.5 x 126.8 mm Weight 1.85 lb / 840 g