@title Interval Eclipse@param a Shoot count@default a 5@param b Interval (Minutes)@default b 1@param c Interval (Seconds)@default c 30t=b*60000+c*1000if t<1000 then let t=1000print "Time between shots:", t*a/60000; "min", t*a%60000/1000; "sec"sleep 1000:repetefor n=1 to a print "Shoot", n, "of", a shoot sleep 1000next nsleep tgoto "repete"end
@title Brightness logrem brightness logrem reads brightness information every 10 seconds and logs it to pr_screen.txtrem Plus, shoots a photo every 10 minutesrem please run with following settingsrem MODE: AUTOrem flash: offrem Image size: S (the smallest)print_screen 1print "Start Brightness Log"rem loop counter p=0:looppress "shoot_half"sleep 1000get_bv96 Bget_sv96 Sget_av96 Aget_tv96 Trelease "shoot_half"print p,B,S,A,Tif (p%60=0) then shootp=p+1sleep 9000goto "loop"
You could then be more ambitious and do (for example) 5 movies each one with a different exposure.
The idea is to use custom auto-timer mode (a standard feature of your camera, probably) and say to your camera to always take 5 shots. Then, use "bracketing in continuous mode" (a CHDK feature) saying for example to bracket 2 EV.
every n seconds do take shot take -1ev shot take +1ev shotend
To answer to the original question, wound't any time lapse / intervalometer script be able to do this if you set the Canon custom timer mode to shoot a 5 images and CHDK continuous mode bracketing to alter exposure for each shot.
That's what I was wondering in my previous reply I wrote while you posted. Does the bracketing mode work in the way I want, ie. take several Tv-bracketed shots with just a single shutter button press?
If it does, can that be combined with fbonomi's brightness measuring script? I seem to need another camera.
It does take more than 1 shot with single shutter press, if your camera does that (even) without CHDK. And CHDK overrides really do change the exposure settings for each shot, even for custom timer. If in doubt, see exif MakerNotes section in the jpegs; the camera stores the actual exposure settings there (the "standard" exif tag show false values when using CHDK overrides).Quote from: vostok on 29 / July / 2008, 04:10:14If it does, can that be combined with fbonomi's brightness measuring script? I seem to need another camera. I think he probably already ment that. His post was kind of long so I didn't read it thorougly and failed to notice he already suggested doing it this way. So I'm assuming the script already works with it. It logs the measurement info to a text file AND shoots. And if you set CHDK overrides and Canon custom timer properly, you get bracketed shots.
Getting a bit confused, I haven't tested the Canon custom timer and don't have my camera at hand (having it here would probably answer my questions). Do you mean I would have to set the Canon built-in timer to e.g. 3 shots with 0 second intervals and configure CHDK's bracketing options to get several bracketed frames with the script only emulating the button press once?
The script says it should be run in AUTO-mode, is this valid for my case?
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