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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 13 Oct 2014 (Monday) 10:49
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Jeff Cable's blog - 7D Mark II thoughts and high image .jpg

 
Nethawked
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Oct 13, 2014 10:49 |  #1

More thoughts from a professional sports photographer.

http://blog.jeffcable.​com …i-first-reaction-and.html (external link)

And now I wait...




  
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Thomas ­ Campbell
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Oct 13, 2014 11:06 |  #2

I put in a 128GB Lexar Professional 1066x CF card into the CF slot, figuring that this new camera would take full advantage of the UDMA7 speed. Many of you know that I was disappointed that Canon did not make the SD slot in the 5D Mark III in the newer UHS-I standard. This means that the 5D Mark III could not write to an SD card any faster than 133x. And that is just not fast enough! So, the burning question in my mind was "Does the 7D Mark II support the most current SD spec (which is now UHS-II)?" And I was bummed to see that the SD slot is only UHS-I, once again showing that Canon is behind in their adoption of the newer standards.


This was one of my biggest problems with the 5D3 and Canon screwed it up again on the 7D2? That's just downright idiotic. The 5D2 was limited to ~20MB/s write speed with the SD card writing, even if you wrote to the faster CF slot, too. That clears a little less than 1 RAW file a second.

He says the 7D2 writes faster than the 5D3 and obviously the files will be a little smaller, but still, why not put the current standard in the camera? WTF?


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Lt ­ Colonel
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Oct 13, 2014 11:33 |  #3

Good review, thanks for sharing the link. I really like Jeff and his presentations and feel he is squared away and tells it like it is. Usually in a diplomatic manner.


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Oct 13, 2014 12:25 |  #4

Very nice, thanks for sharing.


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Shake ­ N ­ Vac
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Oct 13, 2014 12:35 |  #5

Good read though he says they are straight from camera JPEG with no noise reduction - if they are straight out of the camera won't they have the in camera noise reduction applied by default?


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Oct 13, 2014 12:48 |  #6

Thomas Campbell wrote in post #17210402 (external link)
This was one of my biggest problems with the 5D3 and Canon screwed it up again on the 7D2? That's just downright idiotic. The 5D2 was limited to ~20MB/s write speed with the SD card writing, even if you wrote to the faster CF slot, too. That clears a little less than 1 RAW file a second.

He says the 7D2 writes faster than the 5D3 and obviously the files will be a little smaller, but still, why not put the current standard in the camera? WTF?

Agreed. This is supposed to be a camera about speed. Why cripple the slot? Makes no sense.


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Thomas ­ Campbell
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Oct 13, 2014 13:10 |  #7

Shake N Vac wrote in post #17210541 (external link)
Good read though he says they are straight from camera JPEG with no noise reduction - if they are straight out of the camera won't they have the in camera noise reduction applied by default?

Unless you turn that off.


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Oct 13, 2014 13:16 |  #8

rdalrt wrote in post #17210560 (external link)
Agreed. This is supposed to be a camera about speed. Why cripple the slot? Makes no sense.

UHS-1 is still good for 100mb/s. I don't believe there is any SD cards that can even write that fast. Currently the Sandisk 95mb/s cards only write at 65mb/s

Your crippled no matter what. Even the 1066x cards write at 100mb/s. The internal buffer is good for some 31 shots which is the 2nd best for any canon camera beating previous 1D camers. Using a 1066x card on my 5D3 I can caputure some 30 shots before my buffer hits and it's only rated for 13-15 or so.

You are STILL going to get that 31 shots before the buffer fills and the write to the card must be performed. If to both cards then you should be able to write to the current maximum SD card speeds of 60mb/s

In my eyes the CF and SD writing with high speed should be able to capture at least 40 shots using the fastest cards for both.

Who the heck needs more than 40 shots in a row?

Now I do understand that cards do get faster and they should of adopted the current fastest standards to allow for card speeds to catch up but they still offer 31 shots on the buffer and you know that the writing will begin immediately and you'll get more using fastest cards.

I see this as a non issue.


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chantu
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Oct 13, 2014 13:29 |  #9

I guess Canon made a mistake with the SD slot. Now with it in, people will have something to complain about it. :)


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Thomas ­ Campbell
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Oct 13, 2014 13:38 |  #10

UHS-1 is still good for 100mb/s.

If it is SDR 104. If it is SDR 50, it is good for 50MB/s max. UHS-II maxes at 156MB/s or 312MB/s.

Your crippled no matter what. Even the 1066x cards write at 100mb/s. The internal buffer is good for some 31 shots which is the 2nd best for any canon camera beating previous 1D camers. Using a 1066x card on my 5D3 I can caputure some 30 shots before my buffer hits and it's only rated for 13-15 or so.

Not if you shoot RAW+JPEG like I do and some clients require, though. Then you can get 7 or 8 shots before you hit the buffer.

A 31frame RAW buffer is good for that camera. I think the 1DX has a 34 frame RAW buffer.

If to both cards then you should be able to write to the current maximum SD card speeds of 60mb/s

You should have been able to do that with the 5D3, but you aren't.


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Nethawked
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Oct 13, 2014 13:53 |  #11

Thomas Campbell wrote in post #17210402 (external link)
This was one of my biggest problems with the 5D3 and Canon screwed it up again on the 7D2? That's just downright idiotic. The 5D2 was limited to ~20MB/s write speed with the SD card writing, even if you wrote to the faster CF slot, too. That clears a little less than 1 RAW file a second.

He says the 7D2 writes faster than the 5D3 and obviously the files will be a little smaller, but still, why not put the current standard in the camera? WTF?

If you're writing to both cards simultaneously it has to adjust to the lowest compatible speed.

The 7D II is probably reusing parts to keep cost down. If you absolutely most have simultaneous write to both cards buy the 1Dx, which I believe supports UDMA 7. Or, use Standard mode and write to the CF card and periodically copy images over to SD. I'm happy to see dual cards supported, and with the faster burst mode there is very little margin for valid complaint.

The 7D had a firmware upgrade after UDMA 7, while it didn't support the standard it significantly increased maximum burst rate. This is a pre-production model, so some of this may change with release or subsequent firmware.

Or, we can chalk it up to yet another Canon conspiracy :)




  
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Oct 13, 2014 13:58 |  #12

Nice hands on review, however brief.
I though his ISO tests were very encouraging. IMHO at full res printed the ISO 512million* was just fine.

I was surprised to see he was previously unaware that higher ISOs = larger file sizes. I am also growing tired of the "no raw converter available" when:
A - the DPP version is out. Does this really mean "LR does not support it yet" ?
B - Even if it wasn't at the time of testing, if you have the camera in your hands, take some RAW files and save them for examples so we can view them WHEN the converter does come out.

* I can't count all those zeros! I grew up back when iso 1600/3200 was about all you could set your camera to.


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2n10
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Oct 13, 2014 14:06 |  #13

I agree. DPP doesn't count as a converter for these folks.


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Nethawked
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Oct 13, 2014 14:13 |  #14

CyberDyneSystems wrote in post #17210692 (external link)
B - Even if it wasn't at the time of testing, if you have the camera in your hands, take some RAW files and save them for examples so we can view them WHEN the converter does come out.

Yeah, I was kind of hoping these pre-production RAW files might come available, just for comparison with what we will be seeing once the camera starts selling.




  
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Oct 13, 2014 14:17 |  #15

Very encouraging article, for those of use looking at getting a 7D mk ii.


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Jeff Cable's blog - 7D Mark II thoughts and high image .jpg
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