Those energetic programmers for SDM (third party firmware for
Canon compacts) have figured out how to use SDM to output programmable pulse sequences via the AF assist lamp of SDM enhanced Canon compacts.
http://stereo.jpn.org/eng/sdm/index.htm
And there is a small sensor gadget that will interface from this to one or two servos (or anything else)
http://www.gentles.ltd.uk/clickpan/
to turn the camera around. Amazing that a little camera can be used as an embedded computer to drive all kinds of stuff, including itself!
I am excited by this too because I think it means I can make a simple programmable intervalometer for my Canon DSLRs from one of my Canon compacts. The standard Canon 5D DSLR timer release has a minimum 1 sec interval in its intervalometer mode. With SDM and this gadget I think I can get my Canon compact to output a pulse every 0.5 sec say (which can fire a relay to fire my DSLR).
One frame a second is a bit slow for busy city street timelapse. A 5DMkII btw can fire M or S jpgs continuously at 3 fps. It can almost fire SRAW2 continuously at 3fps but there is a 1 second hiccup delay every 25 frames or so. So I suspect it would shoot SRAW2 continuously at 2 fps say. This is all so I can shoot 360 timelapse panos with a twin 5DMkII/10.5mm rig at 2 fps in RAW (if I can get another 5DMkII).
Peter M
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