keeping the shutter open for 3 hours

[timmyquest]

Thats how long the manual says the battery will last. But how the heck do they expect us to do that?

Does the remote have a timer on it or what?

i know i dont want to stand there for 3 hours pushing the button.

[PacAce]

Thats how long the manual says the battery will last. But how the heck do they expect us to do that?

Does the remote have a timer on it or what?

i know i dont want to stand there for 3 hours pushing the button.

Use a wired remote and lock the switch after releasing the shutter. You do have to remember to unlock it after the 3 hours, though.

[Guillermo Freige]

I've done a 30min exposure with the DRebel using a wireless remote. First push opens the shutter, second push (or camera shutter press) closes it. 10D wired remotes have a "hold" switch to keep the shutter open.

[timmyquest]

I dont actually have a switch yet, but now that i know they have this lock everything makes sense ;-)

[robertwgross]

What Canon camera are you trying to use?

---Bob Gross---

[Rowla]

The 300D has a Bulb setting in Manual mode; I use a wired remote and it will stay open as long as the button is locked. :wink: