134A: 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 dial whilethe exposure meters are on. Aperturecan be locked at the selected setting(0 140).A Non-CPU Lenses (0 321, 323)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(0 251) when a non-CPU lens is attached,the current f-number will be displayed inthe viewfinder and control panel,rounded to the nearest full stop.Otherwise the aperture displays will show only the number of stops(F, with maximum aperture displayed as FA) and the f-number mustbe read from the lens aperture ring.Sub-command dial
