If your image is sharp at 9mm but soft at 162mm, you likely have a back-focus issue. The manual provides a step-by-step guide for the Flange Back Adjustment . This usually involves loosening a set screw and rotating the focus ring to align the focal plane.
In professional lens documentation, there are usually three levels of manuals:
: Allows for close-up shooting as near as 0.6m to 0.9m.
(often the SX12 module) that allows for electronic control of zoom and iris. You can transition from wide to tele in approximately 1.7 seconds, providing the speed needed for live sports or breaking news. ES Broadcast 3. Understanding the Nomenclature