Mamiya 645 AFD III Instructions Manual

Also see for 645 AFD III: User manual Instruction manual Instructions

Contents

Mamiya 645 AFD III Instructions Manual Manual pdf 32 page image

PAvTvMXCFAB 2. Press the SET button or exposure meteringmode button A to enter the setting.Exposure metering is performed after automaticallyselecting average/spot exposure metering.• Depending on the subject conditions, center-weighted average/spot exposure metering is selectedautomatically, and the correct exposure is measured.• Spot exposure metering is automatically selectedwhen the brightness of the spot exposure meteringrange becomes darker than the brightness of theentire screen.• If there is very little difference between the spotexposure metering value and center-weighted aver-age exposure metering value, the correct exposurelevel is obtained as the intermediate value.The average brightness of the entire screen is mea-sured, emphasizing the center of the screen.The brightness of an area equivalent to 7.6% atscreen center is measured, and the exposure is de-termined. The circle at screen center serves as ageneral guideline. This mode is suited to measuringsubjects with strong contrasts or measuring onlyscreen portions.Average/spot autoexposure meteringCenter-weighted aver-age/spot exposuremeteringCenter spot exposuremeteringExposure Metering ModesExposure warningsWith an inappropriate exposure setting, when shooting subjects that are too light ordark, the user is warned by the flashing external LCD or the LCD inside the viewfinder.At such times, the correct exposure cannot be obtained.Warnings that the exposure is outside the metering rangeProgram AE (P)The shutter speed and f-number blink.Aperture priority AE (Av)The shutter speed blinks.Shutter priority AE (Tv)The f-number blinks.Manual mode (M)The exposure metering value difference is displayed.The time used for the metering timer can be changed.Custom settings (C-04 on page 93)How to select an exposure mode1. Exposure mode mark is displayed when theexposure mode button A is pressed. Since threedifferent exposure modes are displayed sequen-tially when either the front or rear dial is turned,select an appropriate exposure mode.There are three exposure metering mode to select a proper exposure modes appropri-ate to the lighting condition of subject.61 62Exposure Metering Modes Exposure Metering Modes / Exposure warningsImportantWhen a polarizing filter is used, ensure that a circular polarizing filter(circular filter: C-PL) is used. The correct exposure cannot be obtainedwith a normal polarizing filter (PL).