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Author Topic: Canon EOS 5Ds and 5DsR - 50.3MP with and without AA filters  (Read 78358 times)

eronald

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Re: Canon EOS 5Ds and 5DsR - 50.3MP with and without AA filters
« Reply #120 on: February 05, 2015, 05:22:15 pm »

Don't worry, Sony will reprogram their stabilisers to do multishot too.
In Japan, imitation is an accepted form of flattery. They license rather than sue :)

Edmund
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BernardLanguillier

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Re: Canon EOS 5Ds and 5DsR - 50.3MP with and without AA filters
« Reply #121 on: February 05, 2015, 11:22:33 pm »

Announced officially now.

June availability... I wonder what other camera to be announced soon forced them to announce such a long time before availability? ;)

Cheers,
Bernard

Josh-H

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Re: Canon EOS 5Ds and 5DsR - 50.3MP with and without AA filters
« Reply #123 on: February 05, 2015, 11:36:16 pm »

Announced officially now.

June availability... I wonder what other camera to be announced soon forced them to announce such a long time before availability? ;)

Cheers,
Bernard


Nothing sinister here Bernard... Canon always announce well ahead of expected delivery.

The only question I have is.. why didn't they read my memo to them... Where the #%#$%# is the mirror lock up button! ;D
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Phil Indeblanc

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Re: Canon EOS 5Ds and 5DsR - 50.3MP with and without AA filters
« Reply #124 on: February 05, 2015, 11:51:17 pm »

I'm not sure I follow the verbiage...

Quote
The effect of the EOS 5DS R's low pass filter has been cancelled out for greater detail resolution

How does the effect of the filter get cancelled out if the filter is there?
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Rajan Parrikar

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Re: Canon EOS 5Ds and 5DsR - 50.3MP with and without AA filters
« Reply #125 on: February 06, 2015, 12:12:02 am »

Preorders in April.

Sample images -

http://web.canon.jp/imaging/eosd/samples/eos5dsr/index.html

PS: Those reddish blotches on the hippo's skin - are those aliasing artifacts?
« Last Edit: February 06, 2015, 12:13:47 am by Rajan Parrikar »
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LKaven

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Re: Canon EOS 5Ds and 5DsR - 50.3MP with and without AA filters
« Reply #126 on: February 06, 2015, 12:30:21 am »

Those reddish blotches on the hippo's skin - are those aliasing artifacts?

I was wondering the same thing!  They don't look natural.

HarperPhotos

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Re: Canon EOS 5Ds and 5DsR - 50.3MP with and without AA filters
« Reply #127 on: February 06, 2015, 12:47:40 am »

Hello,

Just downloaded the hippo and cityscape images and they look very impressive. Now lets see what Nikon will pull out of there hat.

Cheers

Simon
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ErikKaffehr

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Re: Canon EOS 5Ds and 5DsR - 50.3MP with and without AA filters
« Reply #128 on: February 06, 2015, 01:14:09 am »

Hi,

The area under the right ear looks odd…

Hard to say if I see aliasing artefacts. There are a few strains of hair, and those tend to show aliasing and I don't observe it here.

The citiskype image is a bit soft, it was shot at f/11 and I would assume f/11 to be aliasing safe on 4 microns.

Best regards
Erik




Preorders in April.

Sample images -

http://web.canon.jp/imaging/eosd/samples/eos5dsr/index.html

PS: Those reddish blotches on the hippo's skin - are those aliasing artifacts?
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Phil Indeblanc

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Re: Canon EOS 5Ds and 5DsR - 50.3MP with and without AA filters
« Reply #129 on: February 06, 2015, 01:38:24 am »

Under hippo ear....

Those maybe highlights blown, but so small they show a ring around them. Almost like hot pixs, but I see a few green ones too. But not a big deal to me, that's just a uncontrolled tiny detail I can deal with, can touch up.
« Last Edit: February 06, 2015, 12:58:14 pm by Phil Indeblanc »
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torger

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Re: Canon EOS 5Ds and 5DsR - 50.3MP with and without AA filters
« Reply #130 on: February 06, 2015, 01:39:07 am »

Dynamic range is said to be no better than 5Dmk3, ie not as good as a digital back from 2004. Nikon et al can relax I guess...
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BernardLanguillier

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Re: Canon EOS 5Ds and 5DsR - 50.3MP with and without AA filters
« Reply #131 on: February 06, 2015, 01:46:28 am »

http://web.canon.jp/imaging/eosd/samples/eos5dsr/index.html

The hippo image is nice, with a great sharpness and few artifacts. The lens used is obviously excellent.

The aerial view reveals IMHO that the 16-35 f4 is a bit short resolution wise, but some of that could result from atmospheric blur though.

Cheers,
Bernard


« Last Edit: February 06, 2015, 01:53:57 am by BernardLanguillier »
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phila

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Re: Canon EOS 5Ds and 5DsR - 50.3MP with and without AA filters
« Reply #132 on: February 06, 2015, 01:47:37 am »

I'm not sure I follow the verbiage...

How does the effect of the filter get cancelled out if the filter is there?

Chuck Westfall (Canon USA) explains the difference: "The EOS 5DS uses a conventional low pass filter design in which a single point of image data entering the filter is first separated into two points and ultimately into four points by the time the data reaches the image sensor. By comparison, the EOS 5DS R uses a different low pass filter design in which the single point entering the filter is first separated into two points and then the two points are merged back into a single point by the time the data reaches the image sensor."

Hans Kruse

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Re: Canon EOS 5Ds and 5DsR - 50.3MP with and without AA filters
« Reply #133 on: February 06, 2015, 01:48:39 am »

Nothing sinister here Bernard... Canon always announce well ahead of expected delivery.

The only question I have is.. why didn't they read my memo to them... Where the #%#$%# is the mirror lock up button! ;D

There is a mirror lockup button and it has existed for years now. It is called live view. With live view on the Canons since 40D the electronic first curtain was the default and I assume this also to be the case with the new 5D's.

Can I ask you why you would want a mirror lockup button?

phila

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Re: Canon EOS 5Ds and 5DsR - 50.3MP with and without AA filters
« Reply #134 on: February 06, 2015, 01:49:00 am »

Canon designed and built sensor...

Phil Indeblanc

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Re: Canon EOS 5Ds and 5DsR - 50.3MP with and without AA filters
« Reply #135 on: February 06, 2015, 01:51:01 am »

Canon designed and built sensor...

wow!

I was going to type this before you mentioned the sensor source and regardless....

It maybe that they are jpeg, but do the files lack meat to them? I think it maybe the bright sky scenes, but even with the gown in the darkness, For some reason I think compared to what I have seen, they lack a little meat, or "refinement" I want to say..? The 1Ds renders images quite different I have to guess. File is along the lines of the 5Dm2. When you start tearing into those files, they start breaking up faster than a 1ds or Phase file.
Knowing this I kept the 5Dm2 for anything but studio work, as I think it is fantastic for such work.

I know, its just my off the cuff impression, but I think it is worth sharing as a first impression. (I know I'll likely hear it :-)
« Last Edit: February 06, 2015, 02:00:34 am by Phil Indeblanc »
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BernardLanguillier

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Re: Canon EOS 5Ds and 5DsR - 50.3MP with and without AA filters
« Reply #136 on: February 06, 2015, 01:57:35 am »

Canon designed and built sensor...

Told you. ;)

Cheers,
Bernard

Phil Indeblanc

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Re: Canon EOS 5Ds and 5DsR - 50.3MP with and without AA filters
« Reply #137 on: February 06, 2015, 02:05:57 am »

Interesting the tests of the new Olympus E-M5 II multishot mode (8 shots at 16Mpx shifted by 1/2 pixel are combined into a 40Mpx JPEG or a 64Mpx RAW file). At imaging-resource they have compared it to the sharpness (and moiré) queens: the Nikon D810 and Sony A7R.

All three are native camera JPEG, downsampled from 40Mpx to obtain a similar output size in the case of the EM-5. Although the Olympus keeps up as good as the best of the others in sharpness (even after the image has been resampled twice, one in camera and then by the imaging-resource guys), it's the only one that manages to avoid moiré. It seems clear that although it has no AA filter, oversampling with photosites that overlap by 1/2 pixel act as an excellent AA filter. Can't wait to see the RAW files:


Source: Olympus E-M5 II Review at imaging-resource.

Regards



Why is there more detail highlight in the Nikon image when the Sony is the same sensor? Is that due to internal processing? It also has more HL detail than the Oly.
Likely recoverable in post or does it say something about the cams?
« Last Edit: February 06, 2015, 02:14:49 am by Phil Indeblanc »
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Phil Indeblanc

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Re: Canon EOS 5Ds and 5DsR - 50.3MP with and without AA filters
« Reply #138 on: February 06, 2015, 02:08:17 am »

Told you. ;)

Cheers,
Bernard


You were certainly open to that impression...More like suggesting it really :-)
« Last Edit: February 06, 2015, 02:12:53 am by Phil Indeblanc »
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BernardLanguillier

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Re: Canon EOS 5Ds and 5DsR - 50.3MP with and without AA filters
« Reply #139 on: February 06, 2015, 02:14:21 am »

You were certainly open to that impression :-)

Indeed, the information had been conveyed to me by someone connected to a very reliable source high inside Canon.

Cheers,
Bernard
« Last Edit: February 06, 2015, 02:15:54 am by BernardLanguillier »
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