October 20, 2014, 06:37:39 AM

Author Topic: EOS 7D Mark II Test Camera [CR1]  (Read 38750 times)

Marsu42

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Re: EOS 7D Mark II Test Camera [CR1]
« Reply #15 on: March 28, 2013, 08:18:01 AM »
If DR improvement is not mentioned it won't happen

This is just a quick CR1, probably leaked from a beta tester, doesn't mean much either way concerning dr/noise or af performance...

Quote
Video ‘stills burst’ mode 30/60 fps
I'm not sure what this means...are they suggesting that it will capture 30 fps in the full 21 MP RAW mode?

It means that the lv buffer is written as a hq-jpeg file as fast as possible (better quality than grabbing frames off a video). What resolution the file has depends on Canon's live view implementation, for example on the 6d it's 1816x1210 ... Magic Lantern can already save this, though only as one shot.

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Re: EOS 7D Mark II Test Camera [CR1]
« Reply #15 on: March 28, 2013, 08:18:01 AM »

traveller

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Re: EOS 7D Mark II Test Camera [CR1]
« Reply #16 on: March 28, 2013, 08:26:28 AM »
I do like the 21mp number better than 24 for APS-C... I personally have no problem with 18, but I'd be OK with 21. I'd certainly take 21+less noise over 24+more... I'm not trying to print 48" wide.

Splitting hairs a bit aren't you? Personally, I'd like exactly 20.85MP ;)  The difference in file size between 21MP and 24MP is pretty small (though not the files themselves!).  It sounds like you are falling for the "fewer megapixels equals lower noise" myth. 


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Re: EOS 7D Mark II Test Camera [CR1]
« Reply #17 on: March 28, 2013, 08:28:58 AM »
I was sure hoping for more in the 7DMkII.  I especially was hoping for the 61-point AF...  I'm not sure any of the other features mentioned would convince me to upgrade from my 7D to a 7DMkII.  The AF is really what I need/want in an upgrade, so this could possibly "force" me to consider a 5DMkIII, though I really prefer the APS-C sensor for bird photography...

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Re: EOS 7D Mark II Test Camera [CR1]
« Reply #18 on: March 28, 2013, 08:30:11 AM »
In fact I wouldnt read much into it at all.  There are likely several different configurations running around.

If DR improvement is not mentioned it won't happen

This is just a quick CR1, probably leaked from a beta tester, doesn't mean much either way concerning dr/noise or af performance...

Quote
Video ‘stills burst’ mode 30/60 fps
I'm not sure what this means...are they suggesting that it will capture 30 fps in the full 21 MP RAW mode?

It means that the lv buffer is written as a hq-jpeg file as fast as possible (better quality than grabbing frames off a video). What resolution the file has depends on Canon's live view implementation, for example on the 6d it's 1816x1210 ... Magic Lantern can already save this, though only as one shot.

Malte_P

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Re: EOS 7D Mark II Test Camera [CR1]
« Reply #19 on: March 28, 2013, 08:30:33 AM »
This does sound as the 70D to me... then I would be happy.

10 FPS in the 70D .. no way.

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Re: EOS 7D Mark II Test Camera [CR1]
« Reply #20 on: March 28, 2013, 08:32:12 AM »
I do like the 21mp number better than 24 for APS-C... I personally have no problem with 18, but I'd be OK with 21. I'd certainly take 21+less noise over 24+more... I'm not trying to print 48" wide.

Splitting hairs a bit aren't you? Personally, I'd like exactly 20.85MP ;)  The difference in file size between 21MP and 24MP is pretty small (though not the files themselves!).  It sounds like you are falling for the "fewer megapixels equals lower noise" myth.

OK, I see your point, and it does sound like that. I'm more in the camp of "I highly doubt canon will give us 24 mp AND much-reduced noise, because that would be too much camera and they can milk us for more money by not putting them in the same camera".
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Rienzphotoz

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Re: EOS 7D Mark II Test Camera [CR1]
« Reply #21 on: March 28, 2013, 08:40:39 AM »
I see a place for this in my camera bag ... I hope it has in-camera HDR, comes in very handy.
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Re: EOS 7D Mark II Test Camera [CR1]
« Reply #21 on: March 28, 2013, 08:40:39 AM »

meli

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Re: EOS 7D Mark II Test Camera [CR1]
« Reply #22 on: March 28, 2013, 08:41:53 AM »
Well, I wonder how ISO 51k RAW will look like in APS-C. Or even at 102k. If sometimes my 5D3 gets to its limits @ 25k and 51k. Might a thouroughly new sensor tech make that possible...? :-\ With these specs a next update of a 5D could see native ISOs 100-51200 (L 50, H1 102400, 204800) and an 1Dx (H1 204800, H2 409600) !!!

But, let's keep in mind what NL also added:
"Not from a well known source, so I'm still looking for confirmation of different aspects."

Get a 7d file and push it to 25K iso. Thats the best case 56k scenario.

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Re: EOS 7D Mark II Test Camera [CR1]
« Reply #23 on: March 28, 2013, 08:57:08 AM »
It seems to me that if you believe the 7DII sensor will be cut from the same wafer as the rumored "big megapixel" camera, then I'd say 21 MP is too low.

21x1.6=33.6, and I would be very surprised if the FF biggie came in at only 33.6 MP, less than the D800's 36 MP.

Of course this assumes the two camera sensors would be sharing the same sensor design, but that seems to be what a lot of people are thinking around here. So.... :-\ :-\ :-\
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Re: EOS 7D Mark II Test Camera [CR1]
« Reply #24 on: March 28, 2013, 09:02:08 AM »
A couple areas that could be better on this camera - namely more AF points (of course quality/speed of AF is very important) and a second cf or sd slot.

10 FPS is a surprise, I had only expected 7 or 8 at 20+ mp.

ISO is as expected

Ergonomics remains to be seen

Overall mildly disappointed

bseitz234

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Re: EOS 7D Mark II Test Camera [CR1]
« Reply #25 on: March 28, 2013, 09:09:37 AM »
It seems to me that if you believe the 7DII sensor will be cut from the same wafer as the rumored "big megapixel" camera, then I'd say 21 MP is too low.

21x1.6=33.6, and I would be very surprised if the FF biggie came in at only 33.6 MP, less than the D800's 36 MP.

Of course this assumes the two camera sensors would be sharing the same sensor design, but that seems to be what a lot of people are thinking around here. So.... :-\ :-\ :-\

1.6 is the crop factor, not the difference in area of the sensor. I think 1.6 comes from the diagonal, if I'm right?
Not feeling up to doing much math this morning, but that's what google is for, right? I've heard people say FF has a 1 1/3 stop advantage in light gathering, which I assume means more than twice the area (really 2 ^ 1.3333 times the area), which means 52.9mp.
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docsmith

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Re: EOS 7D Mark II Test Camera [CR1]
« Reply #26 on: March 28, 2013, 09:09:46 AM »
These are not the specs that will really matter if the 7DII is to be anything but an incremental increase over the 7D.  Sensor data such as ISO performance, DR, color bit depth, etc or AF performance (focus to EV -3, etc) are what will truly be "game changing" specs for the 7DII.  Maybe a new more powerful battery to power the AF. 

I was expecting ~24 MP, but 21 MP is more than enough.  19 AF points does not sound like a "mini-1Dx"...so this could be one of the variations being tested with others more advanced.

But overall, this could be a very nice, perhaps incremental, upgrade or a true game changer...but it is more detailed specs that will really matter.



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Re: EOS 7D Mark II Test Camera [CR1]
« Reply #27 on: March 28, 2013, 09:12:57 AM »
I wonder if the GPS and WiFi will result in a plastic top plate. If it doesn't it will prove the plastic top plate of the 6D was to differentiate it from the 5D

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Re: EOS 7D Mark II Test Camera [CR1]
« Reply #27 on: March 28, 2013, 09:12:57 AM »

traveller

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Re: EOS 7D Mark II Test Camera [CR1]
« Reply #28 on: March 28, 2013, 09:17:54 AM »
It seems to me that if you believe the 7DII sensor will be cut from the same wafer as the rumored "big megapixel" camera, then I'd say 21 MP is too low.

21x1.6=33.6, and I would be very surprised if the FF biggie came in at only 33.6 MP, less than the D800's 36 MP.

Of course this assumes the two camera sensors would be sharing the same sensor design, but that seems to be what a lot of people are thinking around here. So.... :-\ :-\ :-\

Your calculation is wrong, you need to multiply 1.6 x 1.6 x 21 = 53.76MP. 

Malte_P

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Re: EOS 7D Mark II Test Camera [CR1]
« Reply #29 on: March 28, 2013, 09:21:07 AM »
It seems to me that if you believe the 7DII sensor will be cut from the same wafer as the rumored "big megapixel" camera, then I'd say 21 MP is too low.

21x1.6=33.6, and I would be very surprised if the FF biggie came in at only 33.6 MP, less than the D800's 36 MP.

Of course this assumes the two camera sensors would be sharing the same sensor design, but that seems to be what a lot of people are thinking around here. So.... :-\ :-\ :-\

your math is wrong.

you have to calculate the sensor AREA (APS-C vs. FF).
« Last Edit: March 28, 2013, 09:22:43 AM by Malte_P »

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Re: EOS 7D Mark II Test Camera [CR1]
« Reply #29 on: March 28, 2013, 09:21:07 AM »