Canon New F-1 Instruction Manual

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18 APERTURE-PRIORITY AE17 AE Finder FNThe primary role of the AE Finder FN is to convert the camera to aperture-priorityAE or stopped-down AK. For these two modes, a shutter speed scale and, with aNew FD lens mounted, the pre-set aperture are displayed below the field of view.Manual exposure is also possible with the finder. In manual, the aperture scaleand shutter speed are displayed to the right of the field of view. Thus AE andmanual modes are clearly differentiated and you know immediately in which modethe camera is set simply by the location of the exposure information.Focusing Screen FN-AE, which provides center-weighted average metering, is sup-plied when the New Canon F-1 is purchased initially with an AE Finder FN.18 Aperture-priority AE1. After attaching the AE Finder FN, set the shutter dial to ”A.” To do this,pull up the outer ring and turn the dial until ”A” is aligned with the indexon the finder. The shutter dial cannot be turned between the ”A” and ”B”settings.2. Turn the lens’ aperture ring to the desired aperture.3. Look into the viewfinder and focus the subject.4. Turn the meter mode selector to ”A”. Then press the shutter button halfwayto turn on the meter. Exposure will be correct as long as the meter needle isnot pointing to either of the exposure warning zones. If the meter needle isin either zone, turn the aperture ring until it moves out of the zone.5. To release the shutter, press the shutter button all the way down.There is a possibility of camera movement if the meter needle indicates a shutterspeed of 1/30 sec. or slower. In this case, choose a larger aperture until the shutterspeed indicated is 1/60 sec. or faster. If you have set the maximum aperture andthe shutter speed is still slower than 1/60 sec., attach the camera to a tripod, usea flash or add artificial light.On the other hand, if the meter needle indicates over exposure even after you haveset the m n mum aperture, attach a neutral density (ND) filter to the lens. Thiswill reduce the amount of light to the film.NotesIf the shutter dial is set to ”A” before the finder is attached, exposure information33All manuals and user guides at all-guides.com