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Thread started 05 Oct 2014 (Sunday) 03:23
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D750 vs 5d3 sample test in a review???

 
zyndurai
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Oct 05, 2014 03:23 |  #1

http://www.rossharvey.​com/reviews/nikon-d750-review (external link)

Can someone explain if the test this guy did is valid? That just made the D750 blows the 5D3 out of the water if he can do that at 128000 ISO or whatever that setting he had. Just seemed unreal. Thoughts on this?


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AlanU
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Oct 05, 2014 03:37 |  #2

So far the sony A7s is untouchable in the dslr world for ISO performance. A friend of mine tested his personal 5dmk3 and at 3200 iso he feels the A7s is as clean at iso 52,000!!!!! Nikon happily is in bed with Sony for their sensor. As far as that relationship goes Canon is lagging royally thinking they can achieve a comparable sensor in their R&D department....so far its a fail!! mind you the A7s is suited for video and slower moving subjects.

I can see the d750 to be a great camera except its laughable 1/4000 max shutter speed since its suppose to be the D700 replacement.

The D810 is a mean machine compared to the 5dmk3. D810 has more dynamic range and much cleaner than a 5dmk3 at high iso's.

Depending on your style and requirements the d750 is an awesome camera as specs are concerned. The 5dmk3 is Canon's more versatile camera for both fast action and slow. However we cannot fool ourselves thinking its top of the line compared to many offerings from other manufacturers.

I guess it really comes down to photogs personal preference and what works with his/her workflow. There's room to push and pull the 5dmk3's RAW file but Sony/Nikon without a doubt is far superior in that task with little effort.

Will I jump ship? nah.... too much investment in my primary system. However with my slow moving application a metabone adapter for my Canon lenses with an a7s is definitely a no brainer ;) On the same note throw on native sony glass on an a7s will be a slightly smaller weight camera to lug around.


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zyndurai
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Oct 05, 2014 04:16 |  #3

Thanks for the insight. That's interesting. I've seen several folks here posting using A7 with canon glass and never really looked into why that was because I didn't have a need or want for another body. The more you know, the more you want ;-)a My mind was blown when I saw that comparison and thought something had to be rigged or something.


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TeamSpeed
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Oct 05, 2014 06:15 |  #4

What I have seen is that the sony sensor is great for pulling shadows up, but not necessarily as good as Canon for high ISO. What I saw in that blog was what happened when you pull up the 5D3 image multiple stops, and yes indeed you start to see the effects of that with Canon. But I would think a properly exposed 12800 shot from the 5D3 would be very, very comparable, if not better than the Nikon. This is just what I have read, and knowing what I get from 12800 from the 5D3 personally.

Also, the comments like "Look at ISO 9000, it made it look like daylight" sounds pretty funny, that has to do with his exposure settings. The 100% view of noise looked okay, but the 5D3 could have easily done that at ISO 9000. That isn't very challenging for the 5D3. The only thing impressive there is how many stops one can pull up an image. It sounds like the photographer likes to shoot to the left and then pull all the images up, and that is not Canon's strength. It is the strength of the Sony sensor though. I just shot a wedding and I didn't need to push any up more than 2 stops, and the 5D3 did pretty well.

You can start to see the banding when I bring up the shadows a couple of stops, and this is at 12800, so no, you cannot push the shadows on the 5D3 more than 2, possibly 3 stops before having to deal with the consequences, at least in my experience.


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whothafunk
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Oct 05, 2014 07:16 |  #5

loss of detail in the upper picture is actually quite staggering.


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AlanU
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Oct 05, 2014 10:26 |  #6

Canon users (myself included) just make use of the capabilities of the current performance of the Canon sensors. On the other hand I won't deny in most dark situations we cannot keep up with a nikon user and without cannot even touch a 12.8mp A7s Sony camera. Call it envious but its astounding how the A7s Sony sensor pulls details and vastly improves headroom in video capabilities.

I have a good handful of Nikon user friends and they take their higher dynamic range for granted.

Bottom line for me is I just do the best with what I have. The D750 performance doesn't suprise me at all. Its a killer camera putting the canon 6d to complete shame even if that nikon body is crippled with the same 1/4000 max shutter limitation. Just think I want to buy a cheaper 6d (and use native lenses) at the moment strictly for the purpose of low light photo examples Teamspeed just posted.


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davesrose
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Oct 05, 2014 11:51 |  #7

zyndurai wrote in post #17194441 (external link)
http://www.rossharvey.​com/reviews/nikon-d750-review (external link)

Can someone explain if the test this guy did is valid? That just made the D750 blows the 5D3 out of the water if he can do that at 128000 ISO or whatever that setting he had. Just seemed unreal. Thoughts on this?

I don't see any direct comparisons of the D750 vs 5DmkIII in that link...how does the sample images "blows the 5D3 out of the water"? The writer says he's not going to pixel peep in his review, but I assume you're responding to the one 100% crop of a ISO 9000 image. From that limited sample, I'd say the IQ is nice but not something that blows Canon sensors out of the water. The dynamic range and amount of noise with high ISO is very good with Canons, especially if they're still comparative with higher MP sensors like the D800/D810. The chief advantage in sensor technology with FF Nikon sensors is higher MP. There is some better noise handling when post processing shadows, but I think the differences in dynamic range becomes more a matter of hype. The FF Nikons certainly have an edge for all out IQ, but Canons still are good performers. Combine that with the ergonomics and lens selection, I'm more likely to wait for a 5DmkIV vs investing in a Nikon system (it'll be a while since I don't find my current setup that limiting).


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whothafunk
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Oct 05, 2014 12:06 |  #8

there is a comparison between the two where he purposely underexposed an image by 5 stops, then lifts 5 stops of light in PP. the results are quite.. fascinating.

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davesrose
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Oct 05, 2014 12:13 |  #9

whothafunk wrote in post #17195002 (external link)
there is a comparison between the two where he purposely underexposed an image by 5 stops, then lifts 5 stops of light in PP. the results are quite.. fascinating.

I don't think it's surprising. Look at the original: completely black image. I would hope that someone who invests money in a D750 or 5D would know how to expose. Nikons are better at shadow recovery, but is post processing a seriously compromised image like that a relevant comparison?


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AlanU
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Oct 05, 2014 12:19 |  #10

Without a doubt the nikon is a lowlight machine.
My 5d mark 2 is limiting me in some cases but majority of the time even that older body suits my shooting style.

Canon still is very good but nikon truly has more flexible raw files. without a doubt it truly appears nikon has more dynamic range.


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whothafunk
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Oct 05, 2014 12:31 |  #11

davesrose wrote in post #17195019 (external link)
I would hope that someone who invests money in a D750 or 5D would know how to expose. Nikons are better at shadow recovery, but is post processing a seriously compromised image like that a relevant comparison?

i agree, but we all know that's not the point here. it happens when you miss the exposure value - not by whole 5 stops, but still, and the power of recovery helps by not screwing the image too much. don't be butthurt. the recovery on that thing simply is fascinating.


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davesrose
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Oct 05, 2014 12:42 |  #12

whothafunk wrote in post #17195059 (external link)
i agree, but we all know that's not the point here.

My point was that this wasn't a real comparison of DR between the two cameras. These types of scenarios where a person PPs a seriously underexposed image or upsamples the 5DmkIII to D800 resolutions is pretty moot, and not surprising or "fascinating". In this example, the photographer compromised exposure to only record the first 3-4 stops of light. Why then would it be surprising that the Sony sensor has some contrast recovered while the Canon has less? It seems because of the better shadow recovery of the Nikons, that this is the only factor of DR in photography forums. Who cares about overall DR or exposure range...that blacks are cleaner while PPing a RAW must be THE factor in Nikons blowing Canons out of the water:lol:


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Oct 05, 2014 14:31 |  #13

davesrose wrote in post #17195019 (external link)
I don't think it's surprising. Look at the original: completely black image. I would hope that someone who invests money in a D750 or 5D would know how to expose. Nikons are better at shadow recovery, but is post processing a seriously compromised image like that a relevant comparison?

Being "able to" UE an image that much versus having to OE(ETTR) is a huge advantage in shutter speed. This enables the use of lower ISO, faster ss, narrower aperture. or mixture of these parameters.

Sounds like a win to me.


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davesrose
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Oct 05, 2014 15:13 |  #14

1Tanker wrote in post #17195267 (external link)
Sounds like a win to me.

Well with all the examples of IQ with the D800/D810 vs 5DmkIII, I still think the biggest feature that's a clear advantage is resolution. It is a good feat that the D800/810 has 40% more resolution, yet comparable ISO and DR as the 5DmkIII...don't get me wrong. If I was just starting fresh and wasn't biased towards preferring the Canon interface, then I may very well be shooting with the D800e/D810.

I do shoot quite a bit outdoors with landscapes, and I do push the limits of my 5DmkIII's DR. I can't say I reach many situations where I'm maxing 1/8000 (occasionally I'll go above 1/4000). In that example of an underexposed D750 vs 5DmkIII, the scene is clearly a low DR indoor shot. The D750 is clearly better and is good considering you're just pulling contrast from seemingly black 16 shades of gray. I wouldn't say that the D750's image is as good or usable as a properly exposed image (it's just a matter of physics that image quality is linked with resolution and bit depth), but it's clear the intent of this comparison is contributing to hype even when it's stated "this is not a real world example" . In the real world, I have always ETTRed with my Canons and I haven't seen an example of a Nikon having inherently superior DR. If Nikon/Sony does come out with a 16bit ADC then I'll be willing to accept they have a clear advantage with DR (I'd much rather prefer higher luminance recording vs low noise).


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mclaren777
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Oct 05, 2014 15:27 |  #15

If I was a Nikon shooter, I would have pre-ordered two D750s the day it was announced.

I'm really jealous of that sensor and I (probably naively) hope that Canon can match it with the 5D4 and/or 6D2.


A simple comparison of sensor technology: Nikon vs. Canon (external link)
A technical comparison of sensor technology: Exposure Latitude (external link)

  
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