Nikon FM3A Instruction Manual

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Nikon FM3A Instruction Manual Manual pdf 50 page image

50GlossaryAE lockA function to temporarily store the exposure setting determined by the camera in memory.After measuring the light on a specific portion of the subject (face, etc.) or anotherobject, you can change the angle as desired, maintaining the exposure setting (AElock is activated with the AE button). When the subject is back lit, first direct the camerato a dark area or fill the frame with the subject for AE lock, then return the camera to thedesired angle and framing to shoot.Aperture-priority auto exposureAn automatic mechanism to obtain the proper exposure by automatically controllingthe shutter speed depending on the aperture specified by the operator. This mecha-nism provides flexible photographing, such as focusing on the foreground subject andhaving an out-of-focus background with a wide aperture opening, or to keep the overallpicture in clear focus with a small aperture opening.Blank exposureWith a camera with manual film winding, initial film advancing is required by repeatedlyreleasing the shutter and winding the film until the film counter indicates the first frame.Cable releaseA shutter release device designed to eliminate vibration caused by slight movement ofthe camera from pressing the shutter button with the camera on a tripod.Center-weighted meteringLight is measured with priority given to the center of the image, gradually decreasingthe metering level towards the edges.Correct exposureThe exposure setting for the film that best reproduces the lighting condition of thesubject, from its highlights to shadowed portions. Or, the setting that can best providean image that matches the intention of the photographer. While the best combination ofshutter speed and aperture value for the sensitivity of film in use may normally providethe correct exposure, this may not be true for the specific result you are looking for.DX codeThe bar code on a cartridge of 35mm film. The bar code contains information on thetype of film, sensitivity, and number of frames. A camera that can read DX code isautomatically adjusted by reading the information.ABCD