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Author Topic: 1Ds Mark IV & 5D Mark III [CR0.5]  (Read 17270 times)

ecka

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Re: 1Ds Mark IV & 5D Mark III [CR0.5]
« Reply #15 on: September 15, 2011, 07:04:45 AM »
5D Mark III
    * 2 stops better ISO than 5D mk II

Take a look at how DxOMark scores have evolved. I'm  calling BS on this. The Nikon D5100 is only about 1 stop better than the aging (2003) Canon Rebel.  The (2005) 5D classic still soundly beats any APS-C sensor, and the 5D mark II gained a little less than half a stop.
I think there might be a misinterpretation at this point - not 2 stops better ISO, but 2 stops higher ISO. Which means that sensitivity is expandable up to ISO 102,400

That's how I interpreted it - 'better' as Canon defines it, i.e. 'more' and not 'higher quality'.
Exactly  ;)
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Re: 1Ds Mark IV & 5D Mark III [CR0.5]
« Reply #15 on: September 15, 2011, 07:04:45 AM »

wockawocka

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Re: 1Ds Mark IV & 5D Mark III [CR0.5]
« Reply #16 on: September 15, 2011, 07:08:09 AM »
Maybe in order to separate the lines more the 1D will go full frame and the 1Ds Medium format.
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ecka

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Re: 1Ds Mark IV & 5D Mark III [CR0.5]
« Reply #17 on: September 15, 2011, 07:28:46 AM »
Maybe in order to separate the lines more the 1D will go full frame and the 1Ds Medium format.
This doesn't make much sense to me. Medium format body would have to use different lenses on a different mount. Then why using the 1Ds name on it?
I agree that Canon should make MF cameras, even Pentax has one  ;D
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infared

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Re: 1Ds Mark IV & 5D Mark III [CR0.5]
« Reply #18 on: September 15, 2011, 07:41:09 AM »
It sounds good, but so good I'm a bit suspicious, more "wish list" like then "reality"...or at least it's too good and if I thought it were real I'd probably get disappointed when it isn't

Two things bother me about the 5D Mark III list...upon casual observation.
1. The terse comment "Pro Grade AF (not like 7D)....just the wording makes me think this is made up...like the guy has a beef about the autofocus situation (which is lackluster).. on the 5DMark II and is just venting.
2. When has ANY camera manufacturer introduced a new up-graded sucessor to a camera body with many new features and kept the price the same.  Now that is a pipe dream.

This just sounds to me like someones disgruntled pipe dream. Nothing more.
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ecka

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Re: 1Ds Mark IV & 5D Mark III [CR0.5]
« Reply #19 on: September 15, 2011, 08:08:58 AM »

2. When has ANY camera manufacturer introduced a new up-graded sucessor to a camera body with many new features and kept the price the same.  Now that is a pipe dream.


How about 5D Mark II ? It has lots of new features (improvements) compared to 5D classic.
« Last Edit: September 15, 2011, 08:23:41 AM by ecka »
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neuroanatomist

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Re: 1Ds Mark IV & 5D Mark III [CR0.5]
« Reply #20 on: September 15, 2011, 08:12:07 AM »

2. When has ANY camera manufacturer introduced a new up-graded sucessor to a camera body with many new features and kept the price the same.  Now that is a pipe dream.


How about 5D Mark II ? I has lots of new features (improvement) compared to 5D classic.

Wrong.   :P   The 5DII wasn't the same introduction price as the original 5D.  It was $500 cheaper...
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moreorless

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Re: 1Ds Mark IV & 5D Mark III [CR0.5]
« Reply #21 on: September 15, 2011, 08:16:31 AM »
54MP?

Assuming square pixels, FF area of 864mm^2:
sqrt(864mm^2/54000000Px) = 4 micron pixels.
Not 4.##, but exactly 4. Suspicious.

Similarly, for 24MP sensor, pixels are _exactly_ 6 microns.

What you're missing is that the megapixel counts are never exactly "000,000".

21MP ends up being 21,123,456 or some other odd number. Thus the "suspicion" in the "exactly" 4 or 6 microns is a result of your math assuming perfect numbers that won't exist in reality.

Thats true is we were talking about real advertised MP stats but what were considering here is whether there is any truth behind a rumour and the fact exact numbers like 4 and 6 crop up does tend to hint agenst that for me.

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Re: 1Ds Mark IV & 5D Mark III [CR0.5]
« Reply #21 on: September 15, 2011, 08:16:31 AM »

Chewy734

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Re: 1Ds Mark IV & 5D Mark III [CR0.5]
« Reply #22 on: September 15, 2011, 08:38:17 AM »
pro AF (e.g., better than the 7D?) on the 5D2?  I'll take that.  Specs look great, assuming they aren't made up.

infared

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Re: 1Ds Mark IV & 5D Mark III [CR0.5]
« Reply #23 on: September 15, 2011, 08:46:00 AM »

2. When has ANY camera manufacturer introduced a new up-graded sucessor to a camera body with many new features and kept the price the same.  Now that is a pipe dream.


How about 5D Mark II ? I has lots of new features (improvement) compared to 5D classic.

Wrong.   :P   The 5DII wasn't the same introduction price as the original 5D.  It was $500 cheaper...

Wasn't aware of that ...I bought back into digital with the 5D Mark II after after 15years of laying in wait. Sorry I didn't have my facts straight. My bad.
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Chewy734

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Re: 1Ds Mark IV & 5D Mark III [CR0.5]
« Reply #24 on: September 15, 2011, 08:58:26 AM »
Maybe they can include a built-in GPS like they did on the new S100. I hate carrying a logger with me and then deal with the hassles in post-processing.

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Re: 1Ds Mark IV & 5D Mark III [CR0.5]
« Reply #25 on: September 15, 2011, 09:04:34 AM »
The specs on the 5D3 seem more plausible then the 1Ds, especially the MP's. If indeed true, the 1Ds could top out to $9-10k. It needs a lot more feastures to justify a 2-3x price premium. If the 5D3 does not have better Dynamic range then the 5D2... the used prices for the 5D2 are not coming down as fast as some people are hoping.

Canon pls release a 70-400mm f3.5 L for $2k  :-*  That would be money better spent then a new body with 10% more mp ...
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Re: 1Ds Mark IV & 5D Mark III [CR0.5]
« Reply #26 on: September 15, 2011, 01:11:24 PM »
Two stops - one for the mew processing engine and one for the sensor -
"DIGIC 5 analyses four times more image information to create each pixel, recording more detail and colour from a scene than ever before. Processing speed is also six times faster compared to the previous processor, efficiently managing the increase in scene information and simultaneously reducing the appearance of image noise by up to 75%"
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Re: 1Ds Mark IV & 5D Mark III [CR0.5]
« Reply #27 on: September 15, 2011, 01:59:49 PM »
Typically, when Canon says two stops better ISO, they are refering to jpeg output.  A more powerful processor can indeed do a better NR job and produce jpeg images with less apparent noise at higher ISO settings, but when using RAW, that actual ISO improvement might be 1/2 stop, or 3/4 stop at best as it comes off the sensor.

This was the case with the 1D Mark IV, and was due to improved NR algorithms that could be powered by the dual Digic IV processors.

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Re: 1Ds Mark IV & 5D Mark III [CR0.5]
« Reply #27 on: September 15, 2011, 01:59:49 PM »

willhuff.net

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Re: 1Ds Mark IV & 5D Mark III [CR0.5]
« Reply #28 on: September 15, 2011, 03:13:21 PM »
I'd be a little disappointed if they were only able to add 3mp to the camera after 3 years.

unfocused

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Re: 1Ds Mark IV & 5D Mark III [CR0.5]
« Reply #29 on: September 15, 2011, 03:58:20 PM »
Quote
The terse comment "Pro Grade AF (not like 7D)....just the wording makes me think this is made up...like the guy has a beef about the autofocus situation (which is lackluster).. on the 5DMark II and is just venting.

+1

I think this rumor deserves the CR 0.5 rating.

From what I've been able to tell reading this forum is that most 5D users would be very happy with the 7D autofocus. Seems a bit condescending to me to make a point of saying the 7D autofocus is not "pro grade." Certainly not something anyone connected to or knowledgeable about Canon would likely say.

I would not be surprised if the 5D and the 1Ds have different sensors. But, more than twice the mp? Sounds unlikely. 24mp seems too low for the 5D (I would expect the next 7D to have 24mp). This sounds like a "bigger and fewer pixels" fetishist wishing for the least possible increase in the 5D.

1Ds with "decent" 6400 and 5D with two stops more than current model or 102,400. That would likely mean the 5D would have better low light performance than the 1Ds. I don't think so.

All-in-all, this is the kind of spec list that anyone on this forum could come up with. Recycle and modify old rumors, make it somewhat plausible and then see if you can get it published.
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Re: 1Ds Mark IV & 5D Mark III [CR0.5]
« Reply #29 on: September 15, 2011, 03:58:20 PM »