Any explanation for this ?
While we are at it, does anyone understand the ISO override code ?
is this using CHDK or SDM?
tsvstar wrote the new Auto ISO override code in CHDK.
My application measures three of the parameters, calculates the fourth (Sv96) and applies it as an override.I am very 'suspicious' of ISO readings !I will do more tests later (with S95).
props=require("propcase")pSV=props.SV -- real svpDELTA_SV=props.DELTA_SV--calculate desired sv after press("shoot_half") set_prop(pDELTA_SV,sv-get_prop(pSV)+get_prop(pDELTA_SV)) -- sets actual exposure set_prop(pSV,sv) -- sets EXIF data
Code: (lua) [Select]props=require("propcase")pSV=props.SV -- real svpDELTA_SV=props.DELTA_SV--calculate desired sv after press("shoot_half") set_prop(pDELTA_SV,sv-get_prop(pSV)+get_prop(pDELTA_SV)) -- sets actual exposure set_prop(pSV,sv) -- sets EXIF datamaybe you could try the propcase method for setting sv described above, and see if that works in your application. If it does, it would show there's a problem in set_sv96()
while ((shooting_is_flash_ready()!=1) || (focus_busy));
The main change I have made is to enable the exposure override task, SDM does not normally use it.Maybe it is required for fast shutter speeds beyond the camera's normal range ?
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