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C H A P T E R 7
The Stereo Data Maker (SDM)
Focus-related commands
get_focused_distance d
Identical to
get_focus
(section 5.5.3).
set_focus_to d
Identical to
set_focus
(section 5.5.3).
get_focus_ref p
set_digi_focus_ref_to
Retrieves and sets the focus position used by the digiscoping function (section 7.8).
lock_autofocus
unlock_autofocus
Identical to
set_aflock 1
and
set_aflock 0
(section 5.5.3).
Zoom-related commands
set_zoom_to_step z
set_zoom_to z
Identical to
set_zoom
(section 5.5.4).
Bracketing-related commands
save_stack
Creates a log file in folder
CHDK/STACKS
recording the focus or
Tv
values of a bracket-
ing series. It should precede any other bracketing command.
each_photo_alternating
each_photo_darker
each_photo_lighter
Used before an exposure
(Tv)
bracketing sequence is started. This only works with the
Custom Timer
. The
Continuous Shooting mode
always alternates.
hdr_bracket_1/3_ev_steps s
Used to set the step width for exposure
(Tv)
bracketing in 1/3 EV (f-stops).
auto_focus_bracketing
Sets up the camera for a focus bracketing sequence to take a sequence of images
starting at a defined subject distance and ending at infinity. The steps increase with
distance. Cameras with manual focus must be in manual focusing mode. Also, the
Custom Timer
or the
Continuous Shooting mode
must be active.
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