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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 31 Dec 2013 (Tuesday) 21:19
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Canon 20mm/f2.8 USM and Canon 60D problem

 
Laipfung
Hatchling
3 posts
Joined Dec 2013
     
Dec 31, 2013 21:19 |  #1

Hi, I'm new to the Forum and would like to seek advice.
I just bought a Canon 60D. I have a Canon 20mm/f2.8 USM for over 16 years which I was using it on my EOS 1. However, I am unable to use the autofocusing function of the lens on the 60D. Can someone please give me advice?




  
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DieselTech
Member
73 posts
Joined Oct 2013
     
Dec 31, 2013 21:31 |  #2

Is the 60D a new camera? If you buy used, it could be that the previous owner configured the camera and set it to back button focusing to separate the shutter function from the focusing function. That is how I configured my canon 5d ii. So you could do a camera reset to fix that so that the shutter button focuses as well.

If the above is ok, maybe try cleaning the contacts on both camera and lens. And double check the lens to make sure that the AF is set to on. I dont know what else to say.


5D mk II, Rokinon 8mm, Rokinon 14mm, 28mm 1.8, 50mm 1.4, 85mm 1.8, 85mm 1.2L II, 100mm 2.8L, 24-105mm L, 70-200mm 2.8L IS II

  
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Laipfung
THREAD ­ STARTER
Hatchling
3 posts
Joined Dec 2013
     
Dec 31, 2013 23:23 |  #3

DieselTech wrote in post #16568156 (external link)
Is the 60D a new camera? If you buy used, it could be that the previous owner configured the camera and set it to back button focusing to separate the shutter function from the focusing function. That is how I configured my canon 5d ii. So you could do a camera reset to fix that so that the shutter button focuses as well.

If the above is ok, maybe try cleaning the contacts on both camera and lens. And double check the lens to make sure that the AF is set to on. I dont know what else to say.

Thanks, Diesel Tech.

The camera is brand new. Since I'm new to digital camera, can you please advise me on how to set the AF? What mode should I use and how can I configure the camera?




  
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PH68
Senior Member
599 posts
Joined Jun 2013
Location: England
     
Jan 01, 2014 07:34 |  #4

Do you have any other lenses you can try on the 60D?

To set AF there is a switch on the lens.
Should be obvious how to turn the AF On or Off.

To set AF on the camera...
Put camera in one of the P, Tv, Av, or M modes.
Go to Menu > C.FnIV:Operation/Other​s > Option 1 (AF and Metering Buttons) > You have about 10 choices of button combinations to use AF and Metering > The "Default" is option "0".

Look through the view finder and try to AF.
Do any AF squares light up red?
It makes no difference if AF is On or Off... If AF is On it indicates what has just auto focussed. If AF is Off it just indicates what will be in focus when you press the shutter.


Fuji XE1 ~ XF18 ~ XF27 ~ XF60 ~ XC50-230

  
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Laipfung
THREAD ­ STARTER
Hatchling
3 posts
Joined Dec 2013
     
Jan 01, 2014 19:21 |  #5

Hi, PH68. Thank you for your reply.

I have tested my other lens, such as Canon 28-80mm L, Canon 80-200 L, and Tamron 28-300. They all could operate in AF. The only one that failed was the Canon 20mm. Perhaps it's damaged. I will test it again with my EOS 1 when I have time.

It seems to me that certain modes of the 60D cannot operate with AF. Is it true?




  
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Canon 20mm/f2.8 USM and Canon 60D problem
FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
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