M mode (for manual flash exposure control) – Nikon SB 20 User Manual
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M Mode (for Manual Flash
Exposure Control)
In M mode, you can choose the
amount of light output: full, 1/2,1/4,
1/8 or 1/16.
To determine aperture and/or light
output with the SB-20’s aperture
selection/shooting distance range
panel tor manual flash operation,
read the following.
-] _ Set the SB-20’s flash
' mode selector to M.
Align film speed in use
' with the film speed index.
For intermediate film speeds, use
the figure on the scale nearest the
film speed in use. With ISO 32 film,
for example, set to ISO 25.
28
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