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FORUMS Cameras, Lenses & Accessories Canon Digital Cameras 
Thread started 20 Jun 2012 (Wednesday) 22:33
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EOS 1dx

 
Frameline
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Jun 20, 2012 22:33 |  #1

Has anyone heard of a problem with the auto-focus @ f8 on this camera?




  
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FlyingPhotog
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Jun 20, 2012 22:37 |  #2

Problem? No...

Not designed to do it? Yes...


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halitime
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Jun 20, 2012 23:43 |  #3

Welcome Frameline! Al I presume, Del


Gear List : 1D MK II n,Gripped XSi,70-200 f4,300 f4 IS,Canon 24-105 f4,35 f2 IS,EF 50 1.8 MK I,EF-S 10-22,Canon 1.4 II Extender,Canon 25mm Ext Tube,YN 468/460 II,RF 602's
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Frameline
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Jun 21, 2012 12:17 |  #4

Is there a software fix for this? It seems inconceivable to build such a solid camera and allow this to carry into production.




  
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Canon ­ Bob
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Jun 21, 2012 12:20 |  #5

Frameline wrote in post #14611913 (external link)
Is there a software fix for this?

What makes you think it's a software limitation?

Bob


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jase1125
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Jun 21, 2012 12:23 |  #6

Frameline wrote in post #14611913 (external link)
Is there a software fix for this? It seems inconceivable to build such a solid camera and allow this to carry into production.

No fix since Canon designed it this way. There is talk they may reconsider, but just internet talk. In Canon's view, non-F8 AF isn't an issue.


Jason

  
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blonde
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Jun 21, 2012 12:29 |  #7

it sounds like you are confusing a few things here. the camera can AF fine at all apertures so if you set your 70-200 to F8, the camera does in fact AF just fine. when people are complaining about no AF at F8 they mean that the camera will not allow lenses with an F8 aperture to AF. for example:

500 f4 set at f8- AF just fine.
500 F4+ 2x III extender (which makes it an F8 lens)- no AF.

this has ALWAYS been the case for all non 1 series cameras, the 1Dx is the first 1 series body that doesn't allow AF with an F8 lenses.




  
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FrankyV
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Jun 21, 2012 12:38 |  #8

I assume all of the above have received their !D X camera ?




  
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blonde
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Jun 21, 2012 12:41 |  #9

FrankyV wrote in post #14612000 (external link)
I assume all of the above have received their !D X camera ?

why do you assume that?




  
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Canon ­ Bob
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Jun 21, 2012 12:59 |  #10

FrankyV wrote in post #14612000 (external link)
I assume all of the above have received their !D X camera ?

Nope, still waiting.


1Dx2 (2), 5DSR, 1Ds3, 1D4, 5D2(590nm), 5D2(720nm) EF600 EF400 EF300-II EF300 EF200 EF200-II EF180L EF135L EF100 EF85-II EF50L TS-E17/4 TS-E24L-II TS-E45 TS-E90 MP-E65 EF70-200-II EF24-70/2.8-II EF16-35/4 EF8-15/4 EF11-24/4 Zeiss 15/2.8 21/2.8 25/2 28/2 35/1.4 35/2 50/2 85/1.4 100/2 135/2 T/C's L-SC & a WIFE!

  
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bigrob
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Jun 21, 2012 13:05 |  #11

Have you got one on order Bob?


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Billginthekeys
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Jun 21, 2012 13:12 |  #12

FrankyV wrote in post #14612000 (external link)
I assume all of the above have received their !D X camera ?

Why? Canon has been quite clear that the 1DX will not AF on F8 lenses since the announcement day.


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marekknowak
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Jun 21, 2012 15:33 |  #13

Frameline wrote in post #14609352 (external link)
Has anyone heard of a problem with the auto-focus @ f8 on this camera?

Do you have à lens that doesnt open wider than f8?




  
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Brendo666
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Jun 21, 2012 15:51 |  #14

They way I see Canon's reasoning behind this is that most people that are going to be buying this camera and using it on a regular basis will be using the tele's and not be stacking TC too often. Most people will probably be using the 300mm f2.8 or 400 f2.8 with this and when they need longer they can add a 2X TC easily and when that is not enough (or they are using the long end quite often) they can probably afford the super tele's .

Not, i am not saying that just because you are buying a 1DX means you can afford and will be using super teles exclusively, but this is what this camera is geared towards right?


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Canon ­ Bob
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Jun 21, 2012 16:41 |  #15

Brendo666 wrote in post #14612855 (external link)
Not, i am not saying that just because you are buying a 1DX means you can afford and will be using super teles exclusively, but this is what this camera is geared towards right?

The small bird shooters with a 500/4 or 600/4 and 2x are probably the most disappointed....perhap​s BIF with a 400/5.6 and 1.4x too.
Hopefully the improved sensor performance can help mitigate the loss in potential FL.

Bob


1Dx2 (2), 5DSR, 1Ds3, 1D4, 5D2(590nm), 5D2(720nm) EF600 EF400 EF300-II EF300 EF200 EF200-II EF180L EF135L EF100 EF85-II EF50L TS-E17/4 TS-E24L-II TS-E45 TS-E90 MP-E65 EF70-200-II EF24-70/2.8-II EF16-35/4 EF8-15/4 EF11-24/4 Zeiss 15/2.8 21/2.8 25/2 28/2 35/1.4 35/2 50/2 85/1.4 100/2 135/2 T/C's L-SC & a WIFE!

  
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