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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

 
David ­ Arbogast
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Apr 06, 2015 08:22 |  #1081

LonelyBoy wrote in post #17506301 (external link)
Per Roger over at LensRentals, adapters are unsuitable for lens testing.

Post the link. I'm sure you're right - I recall reading it as well.


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David ­ Arbogast
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Post edited over 3 years ago by David Arbogast. (2 edits in all)
     
Apr 06, 2015 08:54 |  #1082

Mornnb wrote in post #17506305 (external link)
Which appears to be on par with the 15mm Zeiss Distagon, which has been regarded as the worlds best ultra wide angle.

http://www.the-digital-picture.com …omp=0&FLIComp=3​&APIComp=3 (external link)

Any plans to get the 11-24mm? It does look impressive and the zoom range is very intriguing. Initially I was concerned that 11mm might be too wide, but I like what I've been seeing from it in landscapes: http://www.ianplant.co​m …eld/#sthash.WdO​1EMWr.dpbs (external link) I am thinking the 5DS R and 11-24mm are going to be an excellent combo.

I think if I had your lens lineup I might be tempted to sell the 14L II and 16-35mm f/4L to get the 11-24mm. 11-15mm is more exotic and interesting than 25-35mm to me. :)


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Aswald
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Apr 06, 2015 08:56 |  #1083

Mornnb wrote in post #17506305 (external link)
The 16-35mm F4 is noticeably sharper in the Digital Picture comparison, even at f8:
http://www.the-digital-picture.com …omp=0&FLIComp=0​&APIComp=3 (external link)

And compared to the 11-24mm:
http://www.the-digital-picture.com …omp=0&FLIComp=0​&APIComp=3 (external link)

Which appears to be on par with the 15mm Zeiss Distagon, which has been regarded as the worlds best ultra wide angle.

http://www.the-digital-picture.com …omp=0&FLIComp=3​&APIComp=3 (external link)

Thanks for the links. I'm loving the 11-24 even more now....




  
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LonelyBoy
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Apr 06, 2015 08:58 |  #1084

David Arbogast wrote in post #17506312 (external link)
Post the link. I'm sure you're right - I recall reading it as well.

http://www.lensrentals​.com …episode-763-lens-adapters (external link)

http://www.lensrentals​.com …stacks-and-adapted-lenses (external link)

Both of those discuss it. It does, of course, raise the philosophical point of whether we care "which lens is the best at bending light?" or "which lens produces the best images on a given, actual body?", which is an interesting and valid point of debate.


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sploo
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Apr 06, 2015 17:48 |  #1085

David Arbogast wrote in post #17506236 (external link)
Interesting...the Photozone numbers actually look pretty good. At f/8 the numbers are a little worse than the EF 16-35mm f/4L, but not extremely different. I had thought the 16-35mm f/4L was supposed to be a major improvement over the 16-35mm f/2.8L II. The impression I get is that Photozone does not test a large sample size of lenses, so maybe they got a good f/2.8L II and a bad f/4L to test.

That's why I like Roger Cicala's tests - sample size. I've seen Photozone tests that have been the opposite of my experience with a couple of lenses (and others that match). So who's wrong? Probably nobody - it was just sample variation (and possibly technique problems); both of which might be absorbed somewhat with a larger sample size.


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tvphotog
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Post edited over 3 years ago by tvphotog. (2 edits in all)
     
Apr 07, 2015 14:48 |  #1086

This is an interesting sidebar and interview about the absense of moire using the 5D/R. Exciting to contemplate for us travel photographers.

https://photography-on-the.net …showthread.php?​p=17507644

What bothers me is that Hurley is paid by Canon.


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jonneymendoza
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Apr 08, 2015 04:17 |  #1087

tvphotog wrote in post #17508191 (external link)
This is an interesting sidebar and interview about the absense of moire using the 5D/R. Exciting to contemplate for us travel photographers.

https://photography-on-the.net …showthread.php?​p=17507644

What bothers me is that Hurley is paid by Canon.

travel photographers?


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Shadowblade
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Apr 08, 2015 11:00 |  #1088

Apparently the new C300 Mk II has 15 stops of DR.

What's up, Canon? Putting 15 stops into a video camera that doesn't need it instead of into the top-of-the-line studio/landscape/archi​tecture body?




  
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Left ­ Handed ­ Brisket
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Apr 08, 2015 11:06 as a reply to  @ Shadowblade's post |  #1089

[LOL]video cameras don't need DR[/LOL]

i'm convinced resolution (pixel density, whatever you want to call it) is the determining factor, and that the next round of FF cameras will give all the DR junkies what they want, even if it means keeping them under 30MP.

i even started a thread in the rumors section about it: https://photography-on-the.net …showthread.php?​p=17509117


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davidfarina
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Apr 08, 2015 11:09 |  #1090

Shadowblade wrote in post #17509240 (external link)
Apparently the new C300 Mk II has 15 stops of DR.

What's up, Canon? Putting 15 stops into a video camera that doesn't need it instead of into the top-of-the-line studio/landscape/archi​tecture body?

Are you serious? How do you film a scene which has 14 Stops with a camera which supports 12 stops? Do you bracket the movie? :lol:


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John ­ Sheehy
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Apr 08, 2015 14:23 |  #1091

Left Handed Brisket wrote in post #17509248 (external link)
[LOL]video cameras don't need DR[/LOL]

i'm convinced resolution (pixel density, whatever you want to call it) is the determining factor, and that the next round of FF cameras will give all the DR junkies what they want, even if it means keeping them under 30MP.

That's a hopeful thought, but pixel density does not interfere at all with base-ISO DR; in fact, with Canons current technology, higher pixel counts are the only way to get more DR. Canon's pixel-level base-ISO DR has been pretty much carved in stone through the entire history of their CMOS DSLR sensors, except that a couple of models had a little less than the rest (such as the original 5D), and some had more banding noise than the rest (such as the 5D2).




  
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Left ­ Handed ­ Brisket
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Apr 08, 2015 15:16 as a reply to  @ John Sheehy's post |  #1092

yes i know.

i'm going on gut feel alone. :lol

actually, i used to read a lot about processor design and performance, and eventually began to understand some of it. Just seems like some of the hurdles there apply to this too. Occasionally there would be a technological breakthrough that enabled much better performance, but it was generally baby steps year after year. Hoping that in the last three years there have been enough baby steps in MFG that they will eke out another stop or two with the next round of FF sensors.


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LonelyBoy
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Apr 08, 2015 17:01 |  #1093

John Sheehy wrote in post #17509509 (external link)
That's a hopeful thought, but pixel density does not interfere at all with base-ISO DR; in fact, with Canons current technology, higher pixel counts are the only way to get more DR. Canon's pixel-level base-ISO DR has been pretty much carved in stone through the entire history of their CMOS DSLR sensors, except that a couple of models had a little less than the rest (such as the original 5D), and some had more banding noise than the rest (such as the 5D2).

I think the 5Ds/r are the last sensors using the existing manufacturing process, thrown into the old 5D3 body. The 5D4 will (hopefully) get a new sensor sharing the process of this one, once the yields are up.


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Shadowblade
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Apr 08, 2015 18:56 |  #1094

davidfarina wrote in post #17509253 (external link)
Are you serious? How do you film a scene which has 14 Stops with a camera which supports 12 stops? Do you bracket the movie? :lol:

Movies are largely shot in controlled or semi-controlled lighting, either in a studio or with outdoor artificial lights. You can always use fill lighting on the actors. Outdoor scenes during the daytime rarely have 12 stops of DR. And outdoor scenes at nighttime, sunset, or other dark scenes, have DR limited by ISO anyway - if you have 15 stops at ISO 100 and the curve is linear (like an ideal sensor), you're limited to 12 stops at ISO 800 anyway.




  
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davidfarina
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Apr 08, 2015 19:11 |  #1095

Shadowblade wrote in post #17509881 (external link)
Movies are largely shot in controlled or semi-controlled lighting, either in a studio or with outdoor artificial lights. You can always use fill lighting on the actors. Outdoor scenes during the daytime rarely have 12 stops of DR. And outdoor scenes at nighttime, sunset, or other dark scenes, have DR limited by ISO anyway - if you have 15 stops at ISO 100 and the curve is linear (like an ideal sensor), you're limited to 12 stops at ISO 800 anyway.

Makes totally sense. But not every movie is shot in artificial lights (tv ads, documentary films etc)


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OFFICIAL : 5DS and 5DS R Announced
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