Canon RF 70-200mm F2. 8 L IS USM Lens Specifications and MeasurementsSpecificationsCanon RF 70-200mm F2.8 L IS USM LensManufacturer Spec Size (DxL)3.54 x 5.75” (89.9 x 146mm)Measured Size (DxL)3.53 x 6.02” (90 x 153mm)Max Diameter at Tripod Ring4.7” (120.4mm)Max Length at Full Extension8.34” (211.9mm)