DR from 5Ds will be 2 stop better then 7D mk II

[etto72]

From
http://www.northlight-images.co.uk/cameras/Canon_5ds.html

"a release 5Dsr with a test version of DPP4. Low ISO DR is put at 1.5-2 stops better than the 1D X, but high ISO performance (6400) falls marginally behind the 7Dmk2.
The sensor is similar to the 7D2 technology, but has apparently been tuned to maximise low ISO performance.
Welcome news here, but I know it won't be popular in some quarters. If it means that Canon have been listening to some of its pro market and produced a camera for the likes of myself, then great.
If you wanted faster fps, high ISO and better video, then perhaps you can appreciate how I (and many others) felt looking at the 1D X ?"

That would explain why a camera with the same pixel pitch of the 7D2 should have max ISO of 6400 instead 16000 !
Especially when there would be the resolution advantage.... If did t make any sense....!
I guess that's a good news for Landscape photographers !

 

[Click]

Thanks for sharing....And welcome to cr

 

[K]

I see the 5DS as being targeted to existing Canon system users. Not first time buyers of high resolution DSLR.

The 5DS will not outsell the Nikon D810 unless:

1. The 50mp actually translates to a real and noticeable increase in image detail and quality, and that increase is enough to justify the higher price of the 5DS. I'm skeptical due to the pixel size and density. More isn't always better. Or sometimes more is better, just not as better as the numbers indicate it should be.

2. Dynamic Range is going to have to be better. I've ranted several times this is overrated, but for someone choosing a system to go with - this could be a factor given the massive amounts of internet hype regarding dynamic range.


Key word: System

Canon has more updated, and higher resolution professional lenses than Nikon right now. Lenses trump bodies for importance in the overall system. Nikon needs to update the 24-70, the 70-200 and a few others to newer, sharper glass. There's no question Canon has Nikon beat in glass on several pro lenses that are key.


I'd rather have the superior Canon lenses than Nikon's dynamic range superiority at low ISO's. Again, it's only at low ISO's. And it's not my practice to underexpose by 4-5 stops at ISO 100-400 then crank sliders in Lightroom and say "hey look, not much noise" despite the image still looking like crap.


Just because you can pull 3-4 stops on Nikon, doesn't mean you should!


It should be interesting to see what the real measurements and performance are going to be. The 7D2 is a seriously efficient crop sensor. So much so, Canon admitted they scaled it up to make the 5DS sensor and it has GOOD specs regardless of what the whiners say. Generally, full-frame has larger pixels and better efficiency.

What this means to me is, the 5D Mark 4 will probably have a 24mp sensor using the newer efficient technology with larger pixels and be the low light king. They have to be. Everyone is expecting the 5D4 to be like the 5D3 as the best all-purpose, event shooting camera.

 

[ritholtz]

It should be interesting to see what the real measurements and performance are going to be. The 7D2 is a seriously efficient crop sensor. So much so, Canon admitted they scaled it up to make the 5DS sensor and it has GOOD specs regardless of what the whiners say. Generally, full-frame has larger pixels and better efficiency.

Where does 70D stand in terms of efficiency numbers compared to 7D2. I hardly notice any difference in dpr comparison tool except looking at text in 100% crop. Where one can see little difference between d7100, 7d2 and 70D in that order.

 

[Loswr]

I see the 5DS as being targeted to existing Canon system users. Not first time buyers of high resolution DSLR.

The 5DS will not outsell the Nikon D810 unless:

I believe you should put more thought into the above. Canon system users outnumber Nikon system users. The D810 is a very modest update to the D800, released only ~1 year later, so Nikon users who wanted a high resolution camera bought the D800 and are less likely to buy a D810. Frankly, I can't see how the 5Ds would not outsell the D810.

 

[bmwzimmer]

Too good to be true? April 1st isn't here yet....
If true, we're talking about 13.3-13.8 stops of DR since the 7Dii/1DX is 11.8 at ISO 100.
That's HUGE!!

 

[ajfotofilmagem]

In recent years, pessimism took the minds of many readers Canonrumors. :-[ When he finally appeared to high megapixel camera, people sure you will not get better DR. :-X

I prefer to give the benefit of the doubt and wait before speaking ill of a product no one tested thoroughly.

 

[gary samples]

I have a spot cleared out in my bag right next to 1Dx for the 5DSR
it's going to be a great tool it's new name will be the Nifty Fifty !!
I know it's not Original .

 

[bmwzimmer]

After spending some time trying to find any other sources or mention of anyone testing RAW files, this is the only source I can find. I don't know how reliable this source is so I'm going to take this news with a large cup of salt.

 

[Don Haines]

But remember, better at Low ISO, worse at higher.... You can't get something for nothing......

 

[lol]

The D810 is a very modest update to the D800, released only ~1 year later, so Nikon users who wanted a high resolution camera bought the D800 and are less likely to buy a D810. Frankly, I can't see how the 5Ds would not outsell the D810.

Looking forward, it might be appropriate to compare combined sales of D800+D800E+D810 vs. 5Ds + 5Ds R. While there are minor differences within each range as far as the sensor goes, I'd still be inclined to lump them in one bucket in that if you have any one of them, you're unlikely to also NEED another one or switch any time soon.

 

[Marsu42]

Too good to be true? April 1st isn't here yet....

Indeed, I doubt it - this is just another rumor from hearsay. If it would be indeed 1.5-2ev (which is a *huge* improvement) I imagine Canon would have put more weight about this into their announcement than just "wide dr".

And if it's basically a 7d2 sensor/readout design without any major tech overhaul I cannot see how they'd improve it past the 6d which is currently the low iso dr leader, for whatever it's worth.

An interesting comment (thanks), coming via testing a pre-release 5Dsr with a test version of DPP4. Low ISO DR is put at 1.5-2 stops better than the 1D X, but high ISO performance (6400) falls marginally behind the 7Dmk2.The sensor is similar to the 7D2 technology, but has apparently been tuned to maximise low ISO performance.

 

[PureClassA]

But remember, better at Low ISO, worse at higher.... You can't get something for nothing......

Indeed! However, as this is a camera that has been clearly positioned as a Low ISO performer by Canon itself, no one SHOULD expect similar performance in the higher ranges. This is something tuned for 100, 200, 400 and perhaps 800. I assume that certainly by 3200, this is where the comparison reference by Northlight falls behind the 7D2.

 

[V8Beast]

Technically speaking, what (if anything) can be done to improve low ISO DR at the expense of high ISO DR? In other words, could Canon theoretically take it's existing sensor tech and fab process, and instead of improving overall sensor design, elect instead of deliberately compromise high ISO performance to improve low ISO DR?

 

[Lawliet]

But remember, better at Low ISO, worse at higher.... You can't get something for nothing......

Based on the 7D2 in the context of a studio(and related sujets)camera the good range goes from iso100 to about iso400, a drop in quality in the de facto H-settings is to be expected.

 

[Marsu42]

In other words, could Canon theoretically take it's existing sensor tech and fab process, and instead of improving overall sensor design, elect instead of deliberately compromise high ISO performance to improve low ISO DR?

I don't think so, because the problem is that the theoretical dynamic range at iso <=400 gets drowned in read noise. Unless they have made a breakthrough with this analog read noise or changed their sensor design to an exmor on-die a/d-converter, they'll have to stick with minor improvements like seen with the latest cameras (6d/7d2).

 

[3kramd5]

Technically speaking, what (if anything) can be done to improve low ISO DR at the expense of high ISO DR? In other words, could Canon theoretically take it's existing sensor tech and fab process, and instead of improving overall sensor design, elect instead of deliberately compromise high ISO performance to improve low ISO DR?

At the sensor level? I doubt it. In the signal chain? Maybe. Perhaps they can use low-noise amplifiers down stream that wouldn't be sufficient for high-iso in their architecture. I'm just spit balling.

 

[Lawliet]

Technically speaking, what (if anything) can be done to improve low ISO DR at the expense of high ISO DR?

By using lower gain (pre-)amplifiers, preferable some on the die to lift the signel above the noise floor. That would cause clipping at high amplification...

 

[Perio]

What kits lens comes with 5ds/5dsr?

 

[jrista]

Didn't Canon themselves, through Chuck Westfall, say that the 5Ds/R was going to have the same low ISO DR as the 5D III? That was strait from the mouth of Canon itself. I would be extremely surprised if the 5Ds had even one stop better DR, let alone two.