>>4352471setting exposure you can usually set and forget. very rarely will it come up as a split second adjustment. forget about switching lenses quickly. just carry a second body if you need a different fl. the one you should be concerned with speed on is zone focus, which is pretty straightforward to learn if you have a lens with a focus tab. practice judging distance, then map muscle memory of focus tab positions to your key distances/zones. this is the main technique that will make manual rf faster than af
