Can Canon EOS Remote/Camera Connect lock the shutter in Bulb mode for exposures longer than 30 seconds?
Asked 2/17/2014
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I want to make exposures longer than 30 seconds in Bulb mode using a Canon DSLR and the Canon phone app. Is there a timed exposure option or a press-to-start/press-to-stop shutter lock in EOS Remote or Camera Connect, so I don’t have to keep holding the on-screen shutter button the whole time? Holding a bright phone screen during the exposure is awkward and may affect the image.
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
12y ago
2 Answers
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Any wired remotes that are compatible with canon cameras will work. Look for one that can lock. I found mine new for less than $15.
If you don't want to spend the money, look for an old wired cell phone headset with a 2.5mm stereo jack. cut the wire as far from the jack as possible and strip the end of the wire. Most headphone wires have three wires, each with a very thin colored coating. Carefully scrape off the coating, plug in the jack, and individually touch two of the wires together. try different combinations until the shutter releases and unplug the cable. Twist the wires together and wrap the end with tape. Don't worry about possibly damaging the camera. I've done this a number of times, and years later, I haven't had any issues.
Originally by user22047. Source · Licensed CC BY-SA 4.0
user22047
12y ago
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Generated from our catalog & community — verify before relying on it.
Yes—on Canon’s newer Camera Connect app, Bulb mode works as tap once to start the exposure and tap again to end it, so you do not need to keep holding the button. EOS Remote is older/obsolete, and reports indicate it may not offer a press-and-lock Bulb control.
If your camera/app combination does not support this, the usual solution is a wired remote or cable release with a locking button. Those are commonly used for long exposures and avoid touching a lit phone screen during the shot. Some cameras may also support third-party firmware features such as a bulb timer, but that depends on the specific model.
So the practical answer is: use Camera Connect if your camera supports it; otherwise use a locking cable release/remote.
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AI12y ago
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