CSM1 added these comments in the current discussion du jour ...
> "Jstein" <stein.jesse.DeleteThis@gmail.com> wrote in message
> news:1187365766.392394.121530@g4g2000hsf.googlegroups.com...
>>I have a Canon Digital Rebel XTI 10MP SLR camera. I am
>>vacationing in
>> a remote part of the Adirondacks and have no access to any
>> camera shops that have accessories for my camera. I am
>> interested in doing some time exposures with my camera. I
>> have found online what appears to be the remote cable release
>> accessory, Canon part RS-60E3. I have noticed this accessory
>> appears to be simply just a push button presumably to close a
>> switch. I cannot understand then why they have used a 2.5 mm
>> "stereo" type plug that has three terminals rather than a
>> mono type having two connections. I would have assumed that
>> a push button switch is just closing a circuit to activate
>> this time delay function and therefore if that was the case
>> it would appear that we would only have to use two terminals
>> of the plug. Perhaps that is what they did but I wouldn't
>> know not having a sample to autopsy. I have a 2.5 mm plug
>> with a stereo wire on it (3 wires, ground, left and right).
>> Does anyone think that it would harm anything to short
>> different combinations of these wires together to try to
>> activate the time delay function? I only have a few more
>> days out here and the scenery is breathtaking and I would
>> hate to miss some moon light shots. However, I really don't
>> want to take a chance and damage my camera either. If anyone
>> has any information on the RS-60ES, specifically how it's
>> wired internally (so that I might duplicate it), I would
>> sincerely appreciate hearing from you. I also own a Nikon
>> 8008s that I was able to build my own time release switch
>> for. (The Nikon has two pins that when shorted triggers the
>> shutter) and my simple home made accessory worked just fine.
>> I would really appreciate it if you could let me know.
>> Thanks very much for any assistance, Jesse.
>>
>
> I am guessing about this, I believe the switch has 3
> connections because of the "half press" to set focus and check
> the exposure, the "full press" then fires the shutter.
>
> I do not know the actual connections that are made.
>
If you mean timed shutter release and not remote or cable
release, then your Rebel has that. I have the earlier Rebel XT
and there's a control on the back of the body that runs through
single, multiple, and time exposures. Just find it, manual in
hand would help, change it to timed, then press the shuter down
and jump into the picture.
But, if you're talking about being able to hide in the bushes and
trigger the shutter to catch animal or bird life in the field of
view of your camera, I do not have any info that will help you.
Sorry.
Incidently, an old-fashioned cable release like I have for my
still working 1969 Nikon FTN, was simply something that attached
to the shutter button - I think mine threaded on - and it's
purpose was so that you could put the camera on a tripod, line up
the shot in the viewfinder, set up any lights or reflecting
umbrellas, whatever, then step aside and gently push the cable
button. The idea was to NOT shake or even minutely move the
camera when it is on a long or even multi-second exposure.
I DID use my cable release, but more often when using the camera
on a copy stand to copy slides or photos at close focus ranges,
rather than a tripod shot in the mountains. Perhaps the simple
Rebel timed exposure will help you.
--
HP, aka Jerry
>> Stay informed about: Shutter release help - Canon Digital Rebel 
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