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Thread started 13 Mar 2012 (Tuesday) 18:26
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AF microadjustment

 
David83
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Mar 13, 2012 18:26 |  #1

I stumbled on this today and i have never seen it before. Granted, i could be lost in the sauce and this known by most people but I didnt know it could be done this way and it really worked well on my 1D4. I never shoot tethered so thats probably why haha!

check it out and if this is well known then Mods , please delete the post:D

maybe someone will find it usefull

http://arihazeghiphoto​graphy.com/MA-web/ (external link)


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GregoryF
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Mar 13, 2012 18:35 |  #2

Thanks for the link. I think I will give this a try with my 50d.


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LowriderS10
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Mar 13, 2012 18:38 |  #3

Thanks :) Bookmarked for when I get a 5D2 :D


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Bear ­ Dale
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Mar 13, 2012 18:39 |  #4

Have a look at Focal, it's not free, but it's fully automated.


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Bear Dale

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Plumtreelad
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Mar 13, 2012 18:40 |  #5

I have read a lot about MA but the attachment you provided was new to me and it was very helpful and certainly not a waste of time. Thanks


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Ouessant
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Mar 13, 2012 19:31 |  #6

Cool, I'll give it a try ! Thanks ! :D


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David83
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Mar 14, 2012 07:13 as a reply to  @ Ouessant's post |  #7

Cool , well im glad it helps someone at least. haha!

whats cool is one click is one unit of adjustment. i tried my zooms at many different distances to target and really wasnt any change in af adjustment needed. the only one off through the zoom rang was the 24-70 but that was only at 24 and it was only -1 so i left it at 0

my 70-200 needed -4 for all lengths and it hit at many diff distances just fine

the 135L needed +2 and now that thing is silly good

the 50L was the worst needing -8 but its even more amazing now:D


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Bear ­ Dale
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Mar 14, 2012 07:27 |  #8

David83 wrote in post #14083874 (external link)
the 135L needed +2 and now that thing is silly good

Post up some before and after shots.


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David83
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Mar 14, 2012 07:58 |  #9

fotoworx wrote in post #14083919 (external link)
Post up some before and after shots.

i can do that this afternoon , it was already amazing with no adjustment :D


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Bear ­ Dale
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Mar 14, 2012 16:14 |  #10

Thanks heaps, it would be interesting to see.


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cfcRebel
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Mar 14, 2012 16:49 |  #11

I wasn't aware of this method. Great find! Thanks a ton David!


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actprivate
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Mar 22, 2012 17:56 |  #12

Just wanted to add a comment on the method that might be useful for 1D MkIII owners. Firstly, I found this approach very useful - so my thanks go to the OP who posted the link and also to the original author - Arash.

Now, the methodology applies to EOS bodies that allow Quick AF within Live View. 1DIII has LV but no AF in LV. Though when using EOS Utility in a tethered set up, microadjust steps are still available. So if you want to MA your 1DIII, all you need to do is to connect the camera to EOS Utility, perform AF using shutter or back button (or remote cable), then bring up LV in 200% view and perform MA steps. It worked well for me.

Now my observations using this method to MA for my 50L:

- I needed -8 on both 1DIII and 1DIV (previously I had set it at -11 on 1DIII and -8 on 1DIV)
- I needed -4 on my 5DII (previously set at -6)
- I needed 0 on my 7D (previously -2)

I checked the MA at 20X (1 m) and 40X (2 m) of focal length using f/2.2 to find the best balanced MA.

Not needing MA with 7D now means I need to check a couple of other lenses with it to make sure it doesn't front focus. :confused:

Cheers!


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328iGuy
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Mar 22, 2012 18:21 |  #13

fotoworx wrote in post #14080861 (external link)
Have a look at Focal, it's not free, but it's fully automated.

^^+1 I bought the Pro version and it's second to none!


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duane0524
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Apr 15, 2012 17:46 |  #14

328iGuy wrote in post #14135141 (external link)
^^+1 I bought the Pro version and it's second to none!

How did it work out for you?


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JimmyDever
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May 04, 2012 21:47 as a reply to  @ duane0524's post |  #15

Just bought and used focal plus since my 50 1.4 was clearly not focusing correctly. Lets it run 3 times with each of my lenses. All results were consistent. Very good software and take the time to set it up correctly and its totally worth it. Shallow DOF on my 135L is sick, but not when it is missing.




  
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AF microadjustment
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