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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 19 Jan 2014 (Sunday) 08:06
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70d MIS FOCUSING SOLVED???

 
Jiggo0109
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Jan 19, 2014 08:06 |  #1

Hi..

I encountered focusing problems with my 70d purchased a month ago, inconsistent focusing in low light (incandescent lighting) from f4 to a narrower apperture. With my eagerness to find a solution I made some adjustment on the MFA and didnt give me good results yet until I dug on the menu and found the settings on the lens drive (C.Fn II: Autofocus/ Lens drive when AF impossible). At default, it is set to continue focus search, and I made it STOP FOCUS SEARCH. I took some snap shots inside our room and it improved a lot on sharpness and low light performance...

My question is, do you think I got the right solution? Or am I having the wrong impression onthis issue? I know I can be able to answer that on my own but I still need your point of view on it... tnx

More power...'
Jiggo




  
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rrblint
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Jan 19, 2014 08:23 |  #2

I would seriously doubt that that custom function has anything to do with your problem.


Mark

  
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Jiggo0109
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Jan 19, 2014 08:27 |  #3

rrblint wrote in post #16617937 (external link)
I would seriously doubt that that custom function has anything to do with your problem.

Im not sure about it too but the camera info states that when set to stop focus search, it will prevent extreme mis focus, the reason why I changed it...




  
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hollis_f
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Jan 20, 2014 07:59 |  #4

rrblint wrote in post #16617937 (external link)
I would seriously doubt that that custom function has anything to do with your problem.

Me too.


Frank Hollis - Retired mass spectroscopist
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Paulstw
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Jan 20, 2014 08:19 |  #5

I think there's an expectation of extremely amazing low light performance that's just not present no matter how new the camera body is. Even my 2.8 and 1.8 lenses have trouble focussing in lower light, and even worse in false incandescent lighting. Also Focus is achieved before the aperture is closed during exposure. The AF system needs light too and a good contrasting edge to take a reading.

My advice would be to have a really really good read through the manual to find out what those settings do and then when to use them. Changing settings willy nilly on a camera is just asking for problems, especially with the AF system.




  
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70d MIS FOCUSING SOLVED???
FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
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