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Thread started 18 Aug 2012 (Saturday) 17:35
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Question for 1DX & 5D Mk III owners about MFA

 
Yogi ­ Bear
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Aug 18, 2012 17:35 |  #1

In his recent blog post, Roger Cicala tested several Canon cameras for AF accuracy and found that the 1DX, 5D Mk III and T4i/650D all focused better than the other previous models: http://www.lensrentals​.com …ity-part-3b-canon-cameras (external link)
It appears that Canon has improved AF consistency in their most recently released cameras. So, I was wondering what is the experience of the owners of these new cameras with regard to MFA?

1.) If you have a new 1DX or 5D Mk III, and you have lenses which you used with a previous Canon body, what is your experience with MFA on the new body compared to the old body?

2.) Does the new body even need any MFA with your old or new Canon lenses?

3.) Can you see the difference in AF on the new cameras like Roger did in his story?

4.) From what I have read, the 5D Mk III AF is light years ahead of the 5D Mk II but does a 70-200 f/2.8 IS Mk II lens that needed +8 MFA on the old Mk II body now require less MFA (or none at all) on the Mk III?

I found Roger's article to be very interesting and I would like to know how his results compare to your experience, so feel free to add any additional comments that you feel are relevant.

Thanks!

Yogi


Canon EOS 7D | EF-S 17-55mm f/2.8 IS USM | EF-S 55-250mm f/4.0-5.6 IS |
EF 100-400mm f/4.5-5.6L IS USM | 250D | EF-S 10-22 mm f/3.5-4.5 USM | 580 EX II |

  
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Paolo.Leviste
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Aug 18, 2012 17:50 |  #2

I'm sure there is also lots of product variance as well. A sensor may be off by millimeters in the body, which then would require MFA to "calibrate" to lens. Or even just the thickness of your lens mount might make a miniscule enough difference to necessitate the microadjustment.


[Canon 5DII/30D | 24-70 f2.8L | Σ 30 f1.4 | Σ 50 f1.4 | 70-200 f4L | 580EX II ]
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PhotoGeek
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Aug 18, 2012 18:00 |  #3

Didn't read the article, but there is a huge difference in AF accuracy between my 1DIII and my 1DX. I posted in the 1DX thread to show two bursts of volleyball from my first day out with the camera. Where the 1DX got virtually every shot in focus every time, my 1DIII would have about 3 of every 5 in a burst in focus in this sport.

Volleyball is a tough sport though with players moving in and out of the frame and in front of the target all the time. The in focus rate for the 1DIII was much better in other sports such as track, baseball, etc., but I expect that would be true with every camera.

I haven't had a need to micro-adjust my 135 f2L, 300 f4L, or 50 f1.2L. I haven't tested any other lenses yet. Very few of my lenses needed micro-adjusting on the 1dIII either.


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Yogi ­ Bear
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Aug 18, 2012 18:03 |  #4

PhotoGeek wrote in post #14875645 (external link)
Didn't read the article, but there is a huge difference in AF accuracy between my 1DIII and my 1DX. I posted in the 1DX thread to show two bursts of volleyball from my first day out with the camera. Where the 1DX got virtually every shot in focus every time, my 1DIII would have about 3 of every 5 in a burst in focus in this sport.

Volleyball is a tough sport though with players moving in and out of the frame and in front of the target all the time. The in focus rate for the 1DIII was much better in other sports such as track, baseball, etc., but I expect that would be true with every camera.

I haven't had a need to micro-adjust my 135 f2L, 300 f4L, or 50 f1.2L. I haven't tested any other lenses yet. Very few of my lenses needed micro-adjusting on the 1dIII either.

I was just looking at what you posted in the 1DX thread. Very nice!

Thanks for your feedback!

Yogi


Canon EOS 7D | EF-S 17-55mm f/2.8 IS USM | EF-S 55-250mm f/4.0-5.6 IS |
EF 100-400mm f/4.5-5.6L IS USM | 250D | EF-S 10-22 mm f/3.5-4.5 USM | 580 EX II |

  
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PhotoGeek
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Aug 18, 2012 18:11 |  #5

Yogi Bear wrote in post #14875655 (external link)
I was just looking at what you posted in the 1DX thread. Very nice!

Thanks for your feedback!

Yogi

Gracias and de nada!


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http://jimlanterphotog​raphy.com (external link)

  
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Yno
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Aug 18, 2012 18:29 as a reply to  @ PhotoGeek's post |  #6

With a 40D, I didn't use the 70-200 f2.8 IS much because it front focused, and the 40D didn't have the ability to micro adjust. When I got the 7D I adjusted it with the 70-200 and it was a great combination. So when I got the 5D Mk III one of the first things I did was to check the focus of the 70-200. It was spot on without and adjustment at all.


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Yogi ­ Bear
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Aug 18, 2012 18:34 |  #7

Yno wrote in post #14875723 (external link)
With a 40D, I didn't use the 70-200 f2.8 IS much because it front focused, and the 40D didn't have the ability to micro adjust. When I got the 7D I adjusted it with the 70-200 and it was a great combination. So when I got the 5D Mk III one of the first things I did was to check the focus of the 70-200. It was spot on without and adjustment at all.

Very interesting!

Thank you, Yno!

Yogi


Canon EOS 7D | EF-S 17-55mm f/2.8 IS USM | EF-S 55-250mm f/4.0-5.6 IS |
EF 100-400mm f/4.5-5.6L IS USM | 250D | EF-S 10-22 mm f/3.5-4.5 USM | 580 EX II |

  
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Mr ­ Poole
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Aug 18, 2012 19:52 |  #8

I have the 1DX. I made a slight MFA with the 35L every thing else has been money. There definitely seems to be a marked improvement with the 5D3 and 1DX.


GEAR: 5DII | TS-24IIL | 35L | 85IIL | 100L macro | 8-15L | 24-70L | 600EX-RT | LOTS of Lee filter gear

  
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Yogi ­ Bear
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Aug 18, 2012 20:06 |  #9

Mr Poole wrote in post #14875946 (external link)
I have the 1DX. I made a some slight MFA with the 35L every thing else has been money. There definitely seems to be a marked improvement with the 5D3 and 1DX.

Thank you, Mr Poole!

Yogi


Canon EOS 7D | EF-S 17-55mm f/2.8 IS USM | EF-S 55-250mm f/4.0-5.6 IS |
EF 100-400mm f/4.5-5.6L IS USM | 250D | EF-S 10-22 mm f/3.5-4.5 USM | 580 EX II |

  
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Yogi ­ Bear
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Aug 22, 2012 17:18 as a reply to  @ Yogi Bear's post |  #10

*Bump* ;)


Canon EOS 7D | EF-S 17-55mm f/2.8 IS USM | EF-S 55-250mm f/4.0-5.6 IS |
EF 100-400mm f/4.5-5.6L IS USM | 250D | EF-S 10-22 mm f/3.5-4.5 USM | 580 EX II |

  
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Greenjacket6202
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Aug 23, 2012 03:59 |  #11

I have a 5Dmk III and was using a 70-200 f4IS that needed no adjustment.

I sold the f4 yesterday for the f2.8 II version and that too is spot on!

Very pleased.

Terry.




  
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Yogi ­ Bear
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Aug 23, 2012 15:46 |  #12

Greenjacket6202 wrote in post #14895272 (external link)
I have a 5Dmk III and was using a 70-200 f4IS that needed no adjustment.

I sold the f4 yesterday for the f2.8 II version and that too is spot on!

Very pleased.

Terry.

Thank you for your feedback, Greenjacket! Much appreciated! :D


Canon EOS 7D | EF-S 17-55mm f/2.8 IS USM | EF-S 55-250mm f/4.0-5.6 IS |
EF 100-400mm f/4.5-5.6L IS USM | 250D | EF-S 10-22 mm f/3.5-4.5 USM | 580 EX II |

  
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lazy13bones
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Aug 23, 2012 16:14 as a reply to  @ Yogi Bear's post |  #13

I needed +4 with 85mm and +10 with 24mm as it comes to MA.
If you have lenses with f/1.4 or f/1.2 it is inevitable IMHO.


Canon 5D Mark III | Canon 24L II | Canon 85L II | & Available Light

  
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benttop
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Aug 23, 2012 16:30 |  #14

I never could get my 100-400 to the right place on my 5D2 - I had stopped using the lens. And I really spent a lot of effort trying to micro-adjust it on that camera. When I put that lens on my 5D3 it was perfect without any adjust at all. It has become one of my favorite lenses of all time. :)


Steve Cavanaugh
EOS 5D MK III, EF 50 f1.2L, EF 85 f1.2L, EF 24 f1.4L, EF 400 f5.6L, EF 24-70, EF 70-200, EF 100-400, EF 100 Macro, G12, EOS 7D, Fujifilm X100S and X-T1

  
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lannes
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Aug 23, 2012 17:17 as a reply to  @ benttop's post |  #15

What methods have you guys been using to test/verify the focus accuracy of the new bodies, it would be useful to know that with your responses.

e.g have you been using the Reikan "Focal" software solution, the LensAlign product, staggered AA batteries, Teamspeeds Focus Genie etc.


1Dx, 1DM4, 5DM2, 7D, EOS-M, 8-15L, 17-40L, 24 TSE II, 24-105L, 50L, 85L II, 100L, 135L, 200L f/2.8, 300L f/4, 70-200L II, 70-300L, 400Lf/5.6

  
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Question for 1DX & 5D Mk III owners about MFA
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