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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 05 Feb 2015 (Thursday) 07:12
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OFFICIAL : 5DS and 5DS R Announced

 
Shadowblade
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Jun 23, 2015 21:56 |  #1396

Scott_online wrote in post #17608424 (external link)
Those videos are a bit misleading (IMHO). Automatic AF point selection - which is what iTR does - is not the same as AF tracking. I notice they don't take any photos to show you if the eye is actually in focus. Just because the AF point is over something doesn't mean it is in focus, especially if the subject and/or camera is moving.

One very useful feature that the Canon cameras have is that you can tailor the key AF parameters (including the AF point auto-switching sensitivity) to your subject. Who knows what they had that set to for the 'test'?

I believe iTR was developed primarily for sports photographers to assist in tracking individuals around the field of play and there are many other videos on YouTube showing that it does that very well.

My main interest is wildlife photography and I can think of very, very few situations where you would want to rely on automatic AF point selection and/or any form of facial recognition. A bird against a plain blue sky maybe but even then you will get better results using single point or one of the group/surround modes.

Having the AF point over the right place is a good start to getting a subject in focus. There's no point having fast, accurate AF on the wrong spot.

Not so much of an issue with sports, where the whole athlete is usually in focus, but more of an issue with wildlife.

When shooting moving wildlife, it's not easy keeping a single AF point on the eye at all times, especially if an animal is running and bobbing its head up and down. Maintaining a decent composition when doing so is even harder, if at all possible. If the AF system can lock on the eye and follow it as it moves throughout the frame, that's a huge advantage. I've got too many razor-sharp photos where the snout, ears, neck or (more often than not, for African animals who like to run away) bums are in focus but the eyes aren't.




  
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Pekka
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Jun 24, 2015 17:01 |  #1397

dolina wrote in post #17608388 (external link)
Pekka how come there is incompatibility with Google Chrome?

I do not know any incompatibilities with Google Chrome. If you want to report such thing please do it in https://photography-on-the.net/forum/forumdis​play.php?f=152 - the more detail you give the better, thanks. Or PM me.

I debug AMASS mostly using Chrome on Windows. I use also FF, IE, Safari and Opera and all kinds of mobile browsers.


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dolina
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Jun 24, 2015 17:21 |  #1398

I used to get an error with Chrome so I had to switch over to Firefox. Now I am posting this using Chrome and it works.

IMAGE: https://c1.staticflickr.com/1/480/18491115053_9865320855_b.jpg
IMAGE LINK: https://flic.kr/p/uaZN​hv  (external link)
Mark as Framed (external link) by alabang (external link), on Flickr


IMAGE: https://c1.staticflickr.com/1/511/18924142468_ef453ea1c9_b.jpg
IMAGE LINK: https://flic.kr/p/uQgb​fq  (external link)
Mark at 100% (external link) by alabang (external link), on Flickr

Using a 35mm f/1.4 DG HSM (external link) at ISO 4,000

Visit my Flickr (external link), Facebook (external link) & 500px (external link) and see my photos. :)

  
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BigAl007
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Jun 24, 2015 17:29 |  #1399

There is an ongoing (as far as I know) with posting from the Chrome browser under Android, at least on my Samsung Galaxy Note 3 running Lollypop. This is a problem that aparantly affects posting to other fora as well. It's something that Google would have to fix.

It's a shame because I like the cross platform login options.

Alan


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tvphotog
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Jun 26, 2015 13:00 |  #1400

Choderboy wrote in post #17608406 (external link)
I only have layman's understanding of moire. I think it's reasonably common knowledge for anyone who watches TV to know that some fabrics are not suitable for TV, common to see on TV when audience members get involved.
I have no idea what experience or knowledge you have.

I just googled "moire" and there are many examples of single colour fabrics (if that's why you did not expect it)
eg https://photographylif​e.com …remove-moire-in-photoshop (external link)

Anyone who can afford a 5DSR and actually purchases one should not be upset, they should have investigated far more than my google search.

Dave,

Thanks for the link and it proves my point. There is not a lot of difference IMO in the before and after photos. There are no apps that I know of that can get rid of moire. If I get the 5DSR for travel, I'll use it only for landscapes and animals. That was my intent from the beginning and I was completely aware of the moire issue and how difficult it is to remove.


Jay
Ireland in Word and Image (external link) Jay Ben Images (external link)5D IV | 5DS/R | Powershot S100 | 24-105L | 100-400 IIL | 16-35 f/2.8 IIL | 24 T/S f /3.5L II | 17 T/S f/4L | 50mm f/1.2L | 35mm f/1.4L | 70-200 f/2.8L II | 580 EX II | 600 EX-RT | Feisol 3441T/Markins Q3T lever QR | Gitzo 3542L Markins Qi20 BV-22 | Gitzo 5561T RRS MH-02

  
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BigAl007
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Jun 26, 2015 21:29 as a reply to  @ tvphotog's post |  #1401

technically it is impossible to remove just the aliasing artifacts, at least without also potentially removing wanted detail of the same spatial frequency. It will also always be necessary to apply the filter to the image manually, there is no automatic method that can detect aliasing artifacts and remove them. Because of the way that the Bayer Colour Filter Array works, colour in an image is sampled at a much lower frequency than luminance, with a Nyquist cutoff probably somewhere above the 50% of the luminance frequency value that the Bayer CFA RGGB grouping would suggest for the colour Nyquist frequency, and maybe 75% depending on just how the demosaicing algorithm works it's magic with colour. I would expect that any lens that can deliver more that about 80-90 LP/mm to the sensor may have potential to exhibit colour aliasing artifacts. get above 125 LP/mm and you could be hitting luminance aliasing as well. IIRC I calculated the Nyquist for the 5DS/R to be about 129 LP/mm.

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Rittrato
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Jun 26, 2015 21:50 |  #1402

Guys, does Lightroom 5 accept 5DS Raw files?




  
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Nogo
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Jun 26, 2015 22:03 |  #1403

Rittrato wrote in post #17611890 (external link)
Guys, does Lightroom 5 accept 5DS Raw files?

According to Adobe, you have to have Lightroom 6.0 to get support for this camera.

https://helpx.adobe.co​m …ug-supported-cameras.html (external link)


Philip

  
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Nogo
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Jun 28, 2015 02:15 as a reply to  @ Nogo's post |  #1404

There may be a way to use Lightroom 5.7 by converting the files using the Adobe DNG converter program. I have never even used DNG files but I seem to remember reading about people using that program to use cameras with Lighroom 4.x that were not supported by 4.x. Something worth looking into if you don't wish to upgrade to LR6.0.

I could be totally wrong though. Using that trick is just something I "seem" to remember hearing about. :-|


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tvphotog
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Jun 28, 2015 12:09 |  #1405

FWIW, just went to a pro photo shop in Manhattan, not B&H, which had gotten in about 100 5DS's and same number of 5DSR's. There was a waiting list for both, but they sold through the 100 5DSR'sand still have stock of the 5RS's.


Jay
Ireland in Word and Image (external link) Jay Ben Images (external link)5D IV | 5DS/R | Powershot S100 | 24-105L | 100-400 IIL | 16-35 f/2.8 IIL | 24 T/S f /3.5L II | 17 T/S f/4L | 50mm f/1.2L | 35mm f/1.4L | 70-200 f/2.8L II | 580 EX II | 600 EX-RT | Feisol 3441T/Markins Q3T lever QR | Gitzo 3542L Markins Qi20 BV-22 | Gitzo 5561T RRS MH-02

  
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Jun 28, 2015 12:20 |  #1406

5ds + 24mm tse L II

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14-24mm, 50mm Opera, 60g macro, 105g, 200mm f/2 vr2

  
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David ­ Arbogast
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Jun 28, 2015 12:56 |  #1407

tvphotog wrote in post #17613386 (external link)
FWIW, just went to a pro photo shop in Manhattan, not B&H, which had gotten in about 100 5DS's and same number of 5DSR's. There was a waiting list for both, but they sold through the 100 5DSR'sand still have stock of the 5RS's.

What is a 5RS? Did you mean they still have some 5DS's?


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tvphotog
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Jun 28, 2015 14:30 |  #1408

David Arbogast wrote in post #17613422 (external link)
What is a 5RS? Did you mean they still have some 5DS's?

This string of cap letters in the name of this body is a bit of a hassle, but yes, the idea is that the 5DSR's are selling well, despite the moire issue, and that they are outselling the 5DS's, at least in this one store. Perhaps not representative of any trend, which is why I added "for what it's worth". They apparently have the 5DS's in stock, but not the SR's.


Jay
Ireland in Word and Image (external link) Jay Ben Images (external link)5D IV | 5DS/R | Powershot S100 | 24-105L | 100-400 IIL | 16-35 f/2.8 IIL | 24 T/S f /3.5L II | 17 T/S f/4L | 50mm f/1.2L | 35mm f/1.4L | 70-200 f/2.8L II | 580 EX II | 600 EX-RT | Feisol 3441T/Markins Q3T lever QR | Gitzo 3542L Markins Qi20 BV-22 | Gitzo 5561T RRS MH-02

  
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Jun 28, 2015 15:07 |  #1409

the sales data, despite being a anecdotal is pretty interesting. i expected the opposite especially in "The City"

Nogo wrote in post #17612964 (external link)
There may be a way to use Lightroom 5.7 by converting the files using the Adobe DNG converter program. I have never even used DNG files but I seem to remember reading about people using that program to use cameras with Lighroom 4.x that were not supported by 4.x. Something worth looking into if you don't wish to upgrade to LR6.0.

I could be totally wrong though. Using that trick is just something I "seem" to remember hearing about. :-|

it definitely works, and it is definitely time consuming depending on how many shots you are converting.


PSA: The above post may contain sarcasm, reply at your own risk | Not in gear database: Auto Sears 50mm 2.0 / 3x CL-360, Nikon SB-28, SunPak auto 322 D, Minolta 20

  
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David ­ Arbogast
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Jun 28, 2015 15:37 |  #1410

I'll add my own statistic to the anecdotal reports. I am placing my order for the R...


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