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Author Topic: First Round of EOS 7D Mark II Specs [CR1]  (Read 30509 times)

rpt

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Re: First Round of EOS 7D Mark II Specs [CR1]
« Reply #45 on: November 26, 2012, 09:56:31 PM »
If we look at what people are unhappy about with the 7D, generally it is to do with noise and image sharpness.  I am not aware of anyone being unhappy with the pixel count.  Canon may however need to up the pixel count to 24MP to match Nikon and Sony, rather than to address any real need - i.e. for marketing reasons.  Assuming Canon continues to flow the same sensor down through its APS-C range, that would be a reason to move to 24MP. - In the market for APS-C (and especially entry-level) DSLRs a lot of customers are still comparing "mega-pickles".
May be in 3 years time an older 70D or a 800D... That might put the crop reach in my financial ballpark :)

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Re: First Round of EOS 7D Mark II Specs [CR1]
« Reply #45 on: November 26, 2012, 09:56:31 PM »

verysimplejason

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Re: First Round of EOS 7D Mark II Specs [CR1]
« Reply #46 on: November 26, 2012, 10:10:57 PM »

<li>24.2mp APS-C Sensor</li>



I hope this isn't true. I'd actually like to see Canon knock back the MP on the 7D II to 15 or 14.  While I really like my 7D, the noise levels at ISO 100 are not what I'd classify as "ideal".



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I hope this is true.  Maybe they actually have a new technology incorporated in the new sensor.  @18MP, the probability of Canon using the same old tech is higher than with 24MP because I think they had hit already the maximum performance for the old tech.  Who knows, maybe they are using a newer tech as used to that rumored high MP 3D.

callaesthetics

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Re: First Round of EOS 7D Mark II Specs [CR1]
« Reply #47 on: November 26, 2012, 10:34:15 PM »
Can't canon just design a LP-E6 II....same shape, better internals and work with any camera that takes the LP-E6

x-vision

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Re: First Round of EOS 7D Mark II Specs [CR1]
« Reply #48 on: November 26, 2012, 10:39:10 PM »
The 1D X has dual Digic 5+, so presumably that's needed for 18 MP at 14 fps.  Guess what?  18.1 MP x 14 fps = 253.4 MP/s, and that value divided by the rumored 24.2 MP equals 10.5 fps, very close to the rumored 10.2 fps

Right. I'm sure that this is how this lame 7DII rumor came into being in the first place.

But the 7DII will not have dual Digics. Take my word for it.
It will have a single Digic 5+, same as the 5DIII and the 6D.

Here's another math that you can do:
The 1DX has two Digic 5+ processors and a 16-channel readout (official specs).
And the 5DIII has a single Digic 5+ and an 8-channel readout (again, official specs).
Therefore, it can be concluded that the Digic 5+ processor has an 8-channel readout.

Also, the 6D is capable of 20mp @4.5fps with a single Digic 5+ ... and just 4 readout channels (again, official specs).
This puts the throughput of the Digic 5+ processor at 20*4.5/4 = 22.5 MP/s per channel.
That's a throughput of 180 MP/s total for all 8 channels on the Digic 5+ processor.

Realistically, Canon will not go over 10fps in 7DII and will not put dual Digics in it.
So, I'd say that the 7DII will be spec'd anywhere between 16mp @10fs and 22mp @8fps ... with a single Digic 5+.

I'd prefer if Canon puts 16mp/10fps in the 7DII but it's more likely that they will go for 20mp/8fps.

One thing is certain, though: the dual Digic V spec is fake and this whole 7DII rumor is a lame [CR0] rumor.
« Last Edit: November 26, 2012, 11:14:49 PM by x-vision »

Don Haines

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Re: First Round of EOS 7D Mark II Specs [CR1]
« Reply #49 on: November 26, 2012, 10:44:15 PM »
Concerning pixel densities.....

24.2M on an APS-C sized sensor equates to 63.5M on a full frame sensor.... (864mm FF / 329mm APS-C) * 24.2

This could be the "new sensor technology" or at the very least, a different arrangement of the old technology. It is an interesting number because 63.5M has not cropped up (pun intended) in discussions of high megapixel cameras.
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fotoray

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Re: First Round of EOS 7D Mark II Specs [CR1]
« Reply #50 on: November 26, 2012, 10:50:36 PM »
Can't canon just design a LP-E6 II....same shape, better internals and work with any camera that takes the LP-E6

+1   I have 7D and 5D MkIII and would hope that LP-E6 can continue in 7D MkII.  I expect that a LP-E6 II, whatever that may be, would not be compatible with 7D and 5D MkIII, regardless of the chosen shape.  I have 5 LP-E6 copies today and a 7D upgrade to 7D MkII with LP-E6 compatibility would be very attractive - and makes sense!!

A dual Digic 5+ processor is a logical choice for the 7D MkII, although I get along fine with 8 fps with my 7D.
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Lee Jay

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Re: First Round of EOS 7D Mark II Specs [CR1]
« Reply #51 on: November 26, 2012, 11:22:39 PM »

<li>24.2mp APS-C Sensor</li>



I hope this isn't true. I'd actually like to see Canon knock back the MP on the 7D II to 15 or 14.  While I really like my 7D, the noise levels at ISO 100 are not what I'd classify as "ideal".

For the billionth time, more pixels does not mean more noise.  In fact, given the same basic sensor performance, more pixels means less noise (given the same total sensor area, of course).  This is because bigger pixels do nothing but simple block averaging while noise reduction software uses far more sophisticated approaches to reducing noise than that.

Think of it this way - a perfect sensor would record each photon's location.  This is sort of equivalent to "infinite" pixel count.

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Re: First Round of EOS 7D Mark II Specs [CR1]
« Reply #51 on: November 26, 2012, 11:22:39 PM »

dolina

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Re: First Round of EOS 7D Mark II Specs [CR1]
« Reply #52 on: November 26, 2012, 11:54:01 PM »
If Canon upgrades from the current process generation of 0.5µm that is reaching it's 10th year to 0.18µm that is Sony is using then I can only foresee better dynamic range and lesser noise.
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Chosenbydestiny

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Re: First Round of EOS 7D Mark II Specs [CR1]
« Reply #53 on: November 27, 2012, 12:08:30 AM »
If 10fps is true, I'm also hoping the current 19 point af of the existing 7D can produce enough keepers, if not upgrading the af system a bit as well. I definitely have more keepers on my 1d mark iii for action shooting than I ever did when I shot a 7D which is why I sold it. Although I'm sure IQ is going to be the concern most people will prioritize.
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BrandonKing96

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Re: First Round of EOS 7D Mark II Specs [CR1]
« Reply #54 on: November 27, 2012, 12:16:50 AM »
If there's one thing that stood out to me (more than the other things), it would be the "new battery".  Why?
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Rockets95

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Re: First Round of EOS 7D Mark II Specs [CR1]
« Reply #55 on: November 27, 2012, 12:32:05 AM »
Better high ISO performance, more DR, and throw in built-in GPS and I'm good.
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LoneRider

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Re: First Round of EOS 7D Mark II Specs [CR1]
« Reply #56 on: November 27, 2012, 12:34:13 AM »


I also think it will have built in wifi and gps like the 6D has.

As long as it has a mag-alloy chassis, it most probably will not have integrated GPS and WiFi.  The mag-alloy chassis acts as a Faraday cage, preventing decent radio reception/transmission.  Canon would probably compromise on the integrity of the chassis in order to get the wireless antennas into a position where reasonable radio performance is possible.

Interesting, if Apple can get virtually every digital cell phone band, blue tooth, GPS, and WiFi out of an iPhone 5, WiFi and GPS can be done on a full size DLSR body  :-)   I am guessing.

Beyond that, I would love GPS, 18-24M pixels, with better noise/ISO performance. Otherwise, after upgrading from a 50D to a 7D, I am very happy.

Also, as far as the crop sensor, I am happy. I would hate to have to replace my EF-S lenses.

ddashti

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Re: First Round of EOS 7D Mark II Specs [CR1]
« Reply #57 on: November 27, 2012, 12:58:05 AM »
Does "dual DIGIC V" mean twice the processing speed of the 5D MK III?

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Re: First Round of EOS 7D Mark II Specs [CR1]
« Reply #57 on: November 27, 2012, 12:58:05 AM »

Ellen Schmidtee

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Re: First Round of EOS 7D Mark II Specs [CR1]
« Reply #58 on: November 27, 2012, 01:00:02 AM »
Hmm, what's wrong with the LP-E6 battery?

My two cents are on 'introducing a new battery would be more profitable than reusing the LP-E6', e.g. because people already have LP-E6s and/or the LP-E6 is already too well faked.

MichaelHodges

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Re: First Round of EOS 7D Mark II Specs [CR1]
« Reply #59 on: November 27, 2012, 01:01:12 AM »

For the billionth time, more pixels does not mean more noise.  In fact, given the same basic sensor performance, more pixels means less noise (given the same total sensor area, of course).  This is because bigger pixels do nothing but simple block averaging while noise reduction software uses far more sophisticated approaches to reducing noise than that.

Think of it this way - a perfect sensor would record each photon's location.  This is sort of equivalent to "infinite" pixel count.


There are a couple factors here. Hand-holding ability suffers when pixel density is too high, reducing the 7D's effectiveness as a hand-held wildlife camera. The people I shoot with have had to make the adjustment, and it's kind of a bummer. On top of that is encountering diffraction earlier on. Problematic for landscape shooters.

There are several drawbacks to cramming more pixels on small sensors. You can take as many shortcuts as you like, but eventually physics will emerge victorious, thus the booming full frame market.....


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Re: First Round of EOS 7D Mark II Specs [CR1]
« Reply #59 on: November 27, 2012, 01:01:12 AM »