Nikon SB-22 instruction manual Choose aperture

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3. Choose aperture.

Determine. the shooting distance and follow the appropriate vertical line upward from the distance scale until it meets the right edge of one of the distance range indicators. Then follow the dis- tance range indicator horizontally and you can find the appropriate aperture. For example, with film speed index set at ISO 100, and if you want to shoot a subject 3m away, use f/8 .

You can also determine aperture using the S8-22'sguide number (GN) For details, see page 32.

The shooting distance scale changes when the wide-flash adapter is used. For example, if you want to shoot a subject 3m away, use f/5 .6. See page 36.

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