6d or 70d recording limit?

G

gutterball321

Well-known member
I keep searching and getting different answers. The only thing that has held me back from getting the canon 6d or 70d is the fact that I dont know how they work with overheating and recording time. My gh2/3 both record weddings and work presentations for over an hour at a time, and now that im selling my gh2 id love a canon to match my gh3 that records for longer periods of time.

my friend has magic lantern on her 60d and thought it would record for long periods of time but when we filmed last weeks work presentation it cut off every 12 minutes and we had to keep hitting record and then I had to sync 7 clips with no clapboard instead of 1 clip with a clap.

so can either of these cameras get past the recording limit thing and keep from over heating?

I dont care if it just makes multiple 4gb clips as long as they are continious and I can leave the camera and dont have to keep hitting record. (just like the gh3 works).
 
I'm fairly certain that like the 5D MKIII, both the 6D and 70D can do up to 30 minutes as continuous 4gb clips. Overheating depends on the environment, but I've never had an issue with the 70D; I've never used the 6D.

Obviously, many weddings or presentations are over 30 minutes. However, I've found that most of the time, Pluraleyes or FCPX will be able to sync the clips. Additionally, syncing 2 half hour clips manually is a lot easier than syncing six 12-minute clips, not to mention some ceremonies that I've edited that have 20+ clips.
 
i can deal with 30 minutes, thanks for the tip. how do you like the 70d? I was leaning towards the 6d since its a full frame but the 70d sounds nice
 
A 6D with a Mosaic filter is a great outfit. And I would highly recommend the Mosaic filter. My 6D and 60D wouldn't get used for video without them for spur of the moment type shooting.
 
thanks for the input guys! I heard the sigma 18-35mm 1.8 only works auto focus with the 70d and not full frame sensors, it might be worth getting the 70d just for this lens. Anyone have input on this? Also, what adapter would i need to make auto focus work with a 70d, i cant find this info?
 
gutterball321 said:
i can deal with 30 minutes, thanks for the tip. how do you like the 70d? I was leaning towards the 6d since its a full frame but the 70d sounds nice
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I've only used the 70D for a few days on a short film. I had a follow focus and a 1st AC, so I didn't have a chance to use the auto focus, which is one of it's major selling points. It seemed like a solid camera, although based on my experience, I couldn't really tell you why it's better than the 60D, other than being able to record up to 30 minutes.
 
gutterball321 said:
thanks for the input guys! I heard the sigma 18-35mm 1.8 only works auto focus with the 70d and not full frame sensors, it might be worth getting the 70d just for this lens. Anyone have input on this? Also, what adapter would i need to make auto focus work with a 70d, i cant find this info?
Click to expand...

I have the 70D and the sigma 18-35 1.8...excellent combination! And yes...it worth getting the 70D over the 6D just for this lens! But its a lens for crop sensors, so it may work only at 28-35mm (with vignetting) on a FF camera...nothing related to auto focus!
Anyway the only canon camera that has the new AF system in video mode is the 70D and it works perfectly with the sigma 18-35...even better than with many canon lenses, excluding STMs...! You dont need any adapter to make it work...
The only advantages of the 6D over the 70D for video are the FF look and the incredible low light performance! The second is a huge one especially for weddings but the 70D has also a decent low light performance (more than one stop better than the previous crop models...60D etc). On the other hand 70D has, except the new AF of course, articulating touch screen and a 3x crop mode, which I find very clean especially with a lens as sharp as the sigma 18-35!
We shot this wedding with a 6D and a 70D with multiple lenses, however 6D was 80% with the canon 24-105 f4 and 70D 80% with the sigma 18-35 f1.8.
trailer: https://vimeo.com/77483365
short film: https://vimeo.com/82598560
 
gutterball321 said:
my friend has magic lantern on her 60d and thought it would record for long periods of time but when we filmed last weeks work presentation it cut off every 12 minutes and we had to keep hitting record and then I had to sync 7 clips with no clapboard instead of 1 clip with a clap.
.
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This is a menu item in Magic Lantern.
 
I believe all of the Canon DSLRs from the 5DIII on can use exFAT and will not break up the clips. I use a Canon 6D and just discovered this. It's a limitation of the FAT system, and exFAT is a relatively new format supported by newer Canon DSLR's. I haven't tested the time limit though as I haven't needed to run past 12 minutes.
 
Sheldon Charron said:
I believe all of the Canon DSLRs from the 5DIII on can use exFAT and will not break up the clips. I use a Canon 6D and just discovered this. It's a limitation of the FAT system, and exFAT is a relatively new format supported by newer Canon DSLR's. I haven't tested the time limit though as I haven't needed to run past 12 minutes.
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Actually all Canon's from the T2i/550D forward support EXFAT. This excludes the 5D2 and 7D. Depending on what generation the camera is, it will do different things with file sizes and recording time limits.

T2i, 60D, etc. will format large SDXC cards 64GB and larger to EXFAT in camera or you can format any size SD on a computer with EXFAT but you will still only be able to record a maximum of about 12 minutes in HD.

The 5D3 supports EXFAT formated in camera but only on really large cards (128GB and up) or you can format any size card on a computer with EXFAT. The camera will record a maximum of 29:59 in one take and it doesn't matter what format the card is in. With FAT32 cards, it will still record a maximum of 29:59, but the take will be on multiple 4GB files. You can place these files in the timeline and the clip will play and edit seamlessly as if it was one big file with no skips or glitches.
 
I have been using 16GB and 32GB extreme cards formatted on my computer to ExFAT running magic lantern on my 6D without a problem, so in the case of the 6D, it does not need to be larger cards. When they were formatted using my camera and brought into disk utility, they came up as FAT and were splitting files at about 4.25GB each. Yes you can drop them into the timeline and they will play without a hiccup, but syncing audio in Final Cut X is another story. You have to do sync audio to each and then drop them into the timeline which is a PITA. You cannot combine the files then sync as it will not work. At least not for me. So I try to avoid the split files.
 
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