19 SHUTTER-PRIORITY AE19 Shutter-priority AEWhen the AE Power Winder FN or AE Motor Drive FN is attached to the NewCanon F-1, a choice of shutter-priority AE or manual exposure is available accordingto the shooting situation and your personal preference.For shutter-priority AE, simply turn the lens’ aperture ring to the ”A” mark andturn the shutter dial to the desired speed. The aperture scale and the shutterspee ‘which you have selected are displayed, as in match-needle metering, to theright of the field of view. The aperture needle, however, disappears from view.When you press the shutter button halfway, the meter needle will point to the aper-ture which the camera has selected automatically. If the meter needle points toeither the over- or underexposure warning mark, simply turn the shutter dial untilthe needle moves away from the mark.With both the AE Finder FN and the power winder or motor drive attached, any of38
