I bought the Canon 700D recently and I'm really happy with it. Long exposure works just fine but for my purposes and just for experimenting I want to take very long exposures at low ISO for several minutes and see how they turn out.

The minimum shutter speed is 30 seconds and then there is Bulb. But with Bulb I have to press down the shutter button for as long as I want the camera to take the picture. Is there any way to make the camera take a very long exposure in bulb mode without having to hold down the button or do I have to buy a wireless remote?

5 Answers 5


You can, for very little money, build your own wired remote control, eg. by following these instructions, or any others that a google search for "canon diy remote" brings up. This remote has a momentary action switch, and a two way switch for arbitrarily long exposures.

I successfully made such a remote with my own two left hands.


You don't need to buy a wireless remote — you can buy a wired remote. For just a trigger button with a lock (to hold the button down), you can find 3rd party wired shutter releases for under $10 US, such as from Vivitar, Pixel, Vello, and other brands.

  • You can get a wireless IR for about the same amount.
    – Robin
    May 9, 2016 at 22:03
  • 1
    @Robin Using an IR remote with Bulb Mode can be problematic with most, if not all, cameras.
    – Michael C
    Jun 1, 2021 at 1:01

Yea... you can check out ebay or any local shop that sells camera equipment. You get wired remotes with a display screen that lets u take extremely long exposures (ranging from few seconds to 99 hours). These are best for exposures. Specially long ones. I take milky way shots so i use this remote to avoid any shake in my images.

  • When you can get them new for as little as $20 US, why buy used? amazon.com/Neewer-Shutter-Release-Remote-Control/dp/B003Q9RERY
    – Michael C
    May 7, 2016 at 7:25
  • Yes there are good ones even on amazon . And the one in the link is perfect. You should go for it. If u have a tracker, you can now take brilliant long exposure milky way shots. Just with your kit lens and iso setting of 800 to 1600. May 7, 2016 at 7:53
  • I've had the N3 connector version for about 5 years already.
    – Michael C
    May 7, 2016 at 8:46
  • Thats great. I am trying my best to capture deep sky objects through my scope. Although it is an extremely complex task for me without any tracker for my scope. I can only b limited to 8 to 15vsec exposures. But still i use a shutter remote just to avoid any shake. I then stack these short exposures to get a brighter image with no much noise along with dark and bias frames..:) May 7, 2016 at 9:24

Just use 'live view'. And enable touch shutter. And take pictures via touch shutter.

Edit: In case you are wondering, I have the same model and that's what I do.


While for long exposures is not that a problem, still you don't want to ruin a 10 minutes shot by accidentally moving the camera while pushing the button again to end the exposition. So, instead of messing with the button itself, your camera has a nice IR receiver that doesn't request you to buy an IR Remote at all if your smartphone happens to have IR feature!

Seriously...if your cellphone has an IR emitter, you can find apps on Play Store to control the 700D. I have a Pentax and use DSLR remote, for example, and works a charm.

  • P.S. take note that I'm speaking about smartphone. If by chance you don't have something smart and just an iPhone, ignore my answer (they don't have IR emitters)
    – motoDrizzt
    May 7, 2016 at 12:40

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.