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DPChallenge Forums >> Hardware and Software >> 20D bulb setting
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Showing posts 1 - 11 of 11, (reverse)
AuthorThread
11/10/2005 07:55:37 AM · #1
Can bulb setting on Canon 20D be changed so when you push the trigger once it starts taking picture and the second time it will stop taking picture.

If not how can i do something like this without buying a 150$ remote controll?

To something else:

Where can i buy a sound trigger for my camera?

Haakon
11/10/2005 08:04:05 AM · #2
I bought a chinese manufactured remote cable for my 350D from ebay. Cost me about $10. Half push to focus, full push to release shutter and slide forward while held down will lock the shutter open in bulb.

Can't beat that for value for money...
11/10/2005 08:11:10 AM · #3
i would think for a long exposure you would want to avoid the jiggle of pressing the shutter button a second time.

the canon RS-80N3 remote is only $50 at B&H...

remote

lots of them on ebay for under $15...

11/10/2005 10:08:48 AM · #4
But if you forget about jiggling, is it posible to do it?
11/10/2005 10:23:22 AM · #5
i'm not an expert by any means, but i think the answer is still no, without resorting to a physical solution. i don't think that any of the custom functions permit this.

you could use a piece of electrical tape or something (with a pill or something that size between the tape and the button) to keep the shutter depressed, i suppose...
11/10/2005 10:24:50 AM · #6
You've spent a lot of money on a great camera and excellent lenses, spring for the remote. It'll do a lot more than just allow bulb exposures. It's worth the money. Shop around on the net and find a good deal.
11/10/2005 10:38:58 AM · #7
Originally posted by haakky:

But if you forget about jiggling, is it posible to do it?


No. It's not programmed in.

Interestingly enough, back in the day ordinary cameras had this feature. You could set "bulb" or you could set "time". Bulb stayed open as long as you held the shutter open, time opened on first click and closed on second click.

In neither case would/should camera movement be a problem, as the camera should be tripod-mounted and a cable release should be used, so there would be no movement on either the first or the second actuation. As a side note, both then and now it's a good idea to use mirror lockup for any long exposure. On 20D Mirror lockup is programmable as Custom Function 12; when it is enabled the first click locks the mirror up, the second click takes the picture.

As noted earlier, Canon makes a RS-80N3 remote for around $50.00 that has a sliding lock for bulb exposures. They also make TC-80N3 for around $135 that is a programmable remote; you can dial in the actual length of exposure you want to use and it will hold the shutter open for that length of time, a very handy (but expensive) option. Canon also makes wireless remotes, so you don't have to remain tethered to the camera. Those are pretty cool if youw ant to include yourself in the middleground of a picture, say, or if you want to set up your camera for wildlife pictures and trigger it from a remote blind or something. Very expensive, though. The wireless remote also allows siumltaneous triggering of more than one camera.

Robt.
11/10/2005 10:52:53 AM · #8
Originally posted by ZorbaTheGeek:

I bought a chinese manufactured remote cable for my 350D from ebay. Cost me about $10. Half push to focus, full push to release shutter and slide forward while held down will lock the shutter open in bulb.

Can't beat that for value for money...


I can vouch for those remote release's. They work fine, cost me about $10.

ebay Item

This one looks like the one I got. Cheap and Chearfull :)
11/10/2005 11:22:25 AM · #9
Originally posted by bear_music:


As noted earlier, Canon makes a RS-80N3 remote for around $50.00 that has a sliding lock for bulb exposures. They also make TC-80N3 for around $135 that is a programmable remote; you can dial in the actual length of exposure you want to use and it will hold the shutter open for that length of time, a very handy (but expensive) option. Canon also makes wireless remotes, so you don't have to remain tethered to the camera. Those are pretty cool if youw ant to include yourself in the middleground of a picture, say, or if you want to set up your camera for wildlife pictures and trigger it from a remote blind or something. Very expensive, though. The wireless remote also allows siumltaneous triggering of more than one camera.
Robt.

Another plug for the Remote Timer TC80N3 is that you can program it to take multiple exposures of any length, with predefinable periods between exposures. Very handy if you want to take a time lapse sequence, or shoot a cool shot with multiple yous, like Gary's immortal shot:



Potentially great prices on the 80N3 remoter timer here.



Message edited by author 2005-11-10 11:33:05.
11/10/2005 11:32:19 AM · #10
RichSeal, thanks for the link to the ebay item... When I saw the "buy it now" price of $1.99 I was reaching for the buy now button (even if I don't need it right now), until I saw the shipping price of $13.99!!! Wow.

I'll keep an eye out for one that isn't shipping it in a gold foil box. :-)

Doug
11/10/2005 11:40:22 AM · #11
Originally posted by dswebb:

RichSeal, thanks for the link to the ebay item... When I saw the "buy it now" price of $1.99 I was reaching for the buy now button (even if I don't need it right now), until I saw the shipping price of $13.99!!! Wow.

I'll keep an eye out for one that isn't shipping it in a gold foil box. :-)

Doug


lol - yeah I saw the shipping just after I posted the link, it was the first one I found. But there are some good deals there and the remote works nicely.
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