Sigma SD1 User Manual download pdf (Page 60)

Keep the shutter button depressed halfway while you compose the picture as

desired. Then press the shutter button the rest of the way to take picture.

z Focus Lock with the shutter button can be used with

(single AF mode) only.

The AF cannot be locked in

(continuous AF mode).

z Focus Lock can be done by pressing the AF button. After focusing, keep the AF

button fully depressed. (For more detailed information, please refer to P.6 0

“AF Drive and AF Button Setting”.)

z AF Focus Lock with the AF button can be used in

(continuous AF mode）as

well.

MANUAL FOCUS

In situations, where autofocus or focus lock is not effective, you can focus

manually.

Set the focus mode switch, on the lens to the

M position. (”MF” will be displayed in the

Function Display.)

While looking through the viewfinder, turn the

focusing ring on the lens until you get a clear

sharp image.

z When you use a lens, which has maximum aperture value of F6.3 or faster, the

focus indicator in the viewfinder will appear, when correct focus is attained.

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Sigma SD1 User Manual Page 60