120g: Aperture-Priority AutoIn aperture-priority auto, you choose the aperture while thecamera automatically selects the shutter speed that will producethe optimal exposure.To choose an aperture between theminimum and maximum values for thelens, rotate the sub-command dialwhile the exposure meters are on.Aperture can be locked at the selectedsetting (0 126).A Non-CPU Lenses (0 419, 424)Use the lens aperture ring to adjustaperture. If the maximum aperture of thelens has been specified using the Non-CPU lens data item in setup menu (0 230)when a non-CPU lens is attached, thecurrent f-number will be displayed in theviewfinder and control panel, rounded tothe nearest full stop. Otherwise theaperture displays will show only the number of stops (F, withmaximum aperture displayed as FA) and the f-number must be readfrom the lens aperture ring.Sub-command dial
