jimjams

Last couple of times I've used my 70D with live view it's caused problems.
1st time, I didn't think I'd used it for that long, took a few shots and then wanted to check something in the menu so pressed to come out of live view, it did, but when I tried going to the menu nothing happened. Other buttons would not respond. I turned the camera off waited a few seconds. But nothing. Oh, apart from when I switched the camera on, it sounded like the mirror clicking up (do mirrors click?). But no response from any buttons, except the sound of that click.
I decided it might be that my batteries were low so I replaced them and tried again a little later. Turning the camera on...everything seemed back to normal.


Today out and about the same thing happened, only I knew my batteries were all topped up so found it strange that 5 photos with live view could drain them. Same clicking sound when I turning the camera on. So I put in fresh batteries straight away just in case. This time it didn't help.
Later, when I got home, about 1/2 hr, I switched the camera on and all was well again.

So can anyone give me some insight here? Am I doing something wrong?
I have only just started trying live view and so may indeed have missed something crucial.

nadelewitz Loc: Ithaca NY

How long are you leaving Live View on?
The camera heats up in Live View mode. Maybe you are overheating.

jimjams

Thanks, I did wonder about that - since obviously it hadn’t been a battery issue. The first instance I can’t say how long I was usiulive view, I was finding my way with it, so indeed i could have been longer than I thought. The 2nd time, using it today, I was taking 4 or 5 photos at any one time and then turning it off for a few minutes before unsuitable again. Is that too much, would that be enough to cause it to overheat do you reckon?

speters Loc: Grangeville/Idaho

Sounds like you might have a problem with your mirror mechanism (for Live view, the mirror swings into the mirror up position), that clicking sound is probably the mirror swinging back, but it may have become "sticky" for some reason, I would give Canon a call!

jimjams

I did think it sounded like a mirror clicking each time I tried turning it on. I’ll have to find a store.. not so many around these days. Hope it’s something they can sort.

nadelewitz Loc: Ithaca NY

See what Canon says in the 70D manual, page 249, about Live View Shooting Cautions. There's no absolute about how long is too long. Ambient temperature has something to do with it also.

jimjams

Thanks, I’d already read the blurb re live view before posting and you are right, ambient temperature is important, though with cooler temps at the moment in the uk I didn’t feel that was an issue.
Nor did I take many photos before it froze everything.
Perhaps this mirror thing is the problem as a previous responder mentioned, perhaps it is sticky.
It’s certainly frustrating and I’m hoping it won’t be too costly an issue to correct.

Photocraig

Hi Jim,
I note that you're in the UK. I hope the Canon UK has capabilities like Canon USA www.canonusa.com. They have a feature that lets you chat real time electronically and by email with service techs. Also, it has a way to call in. My experience with them has been excellent. While store personnel are good, they rarely have the skill set, or are exposed to as many "cases of trouble" as the Canon USA techs are. Perhaps with the Magic if the Internet, you can use the USA site electronically.

I've got limited experience with live view, but I do know that the camera mirror "clicks" when it moves out of the way to let the sensor "see live" through the lens. It is the same sound you hear when you shoot with a 2 or 10 second delay, or do video. Because the sensor is ON and the screen is displaying full time vs. the instantaneous exposure when shooting stills, there is a likelihood of overheating and battery depletion.

If your like your Canon, as I like my many over the years, a call to a Canon tech will reinforce your loyalty. They're great.
C