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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses
Thread started 12 Dec 2009 (Saturday) 12:14
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50mm 1.4 - No autofocus

 
Larry20d
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Reisterstown, Md
Dec 12, 2009 12:14 |  #1

My Canon 50mm 1.4 will no longer autofocus. Sure I can manual focus but I'd really like the AF to work. And, yes, I did move the switch to AF. Is it worth sending to Canon for a fix?


5D Mark III, Canon 80D,16-35L, 24-105L, 70-300L IS, 100-400L IS, Nifty 50 1.4, Canon 135L, Canon 85 1.8, Canon EFS 18-135, Canon 55-250, Sigma 150 Macro, EFS-18-135, Sigma 150-600 Contemporary, Extension Tubes, Canon G10

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ed ­ rader
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Dec 12, 2009 12:17 |  #2

[QUOTE=Larry20d;918348​2]My Canon 50mm 1.4 will no longer autofocus. Sure I can manual focus but I'd really like the AF to work. And, yes, I did move the switch to AF. Is it worth sending to Canon for a fix?[/quote]

canon will allegedly fix the AF for a flat $85 because they know it's a problem with this lens.

ed rader


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tupper
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Dec 12, 2009 12:17 |  #3

This is a common problem. Is it still under warranty?


Ewan
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macroimage
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Dec 12, 2009 12:18 |  #4

Mine failed too. It was worth fixing, but fairly expensive. If you buy a used lens instead, then you won't know if the AF motor is about the fail on the new one. If you get it fixed, then you get a new AF unit and a freshly calibrated lens. Mine performed much better and more consistent at large apertures after it was fixed.

Perhaps add your experience to the poll:
http://photography-on-the.net/forum/showthre​ad.php?t=633048

I uploaded a picture of the failed part when mine failed here:
http://photography-on-the.net/forum/showthre​ad.php?t=729770


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therealmr
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Joined Feb 2008
Dec 12, 2009 12:19 |  #5

Common problem - a standard $95 to fix from Canon.

If you don't get it fixed, your focus ring will eventually stick, not allowing you to MF. If your lens is out of warranty and you don't "need" it, I say use it as long as you can. If not, get it fixed.


http://www.simkinsphot​ography.com/external link

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Paul ­ Li
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Dec 12, 2009 12:21 |  #6

Yeah your best bet would probably to call Canon


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Larry20d
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Dec 12, 2009 12:34 |  #7

tupper wrote in post #9183493external link
This is a common problem. Is it still under warranty?

No, unfortunately no longer under warranty.


5D Mark III, Canon 80D,16-35L, 24-105L, 70-300L IS, 100-400L IS, Nifty 50 1.4, Canon 135L, Canon 85 1.8, Canon EFS 18-135, Canon 55-250, Sigma 150 Macro, EFS-18-135, Sigma 150-600 Contemporary, Extension Tubes, Canon G10

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amfoto1
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Joined Aug 2007
San Jose, California
Dec 12, 2009 13:12 |  #8

I've been lucky... Bought my 50/1.4 used some 6 or 7 years ago and have never had any problems with it. I have no idea how old it is or how well it was treated before I got it, but it sees quite a bit of use and isn't babied by me.

One thing that might have helped... I've read and heard that it's a good idea to get the lens hood and be sure to store the lens with it reversed. Apparently this protect the AF mechanisms from bumps. I have always had the hood, used and stored it on the lens.


Alan Myers "Walk softly and carry a big lens."
5DII, 7DII(x2), 7D(x2) & other cameras. 10-22mm, Tokina 12-24/4, 20/2.8, TS 24/3.5L, 24-70/2.8L, 28/1.8, 28-135 IS (x2), TS 45/2.8, 50/1.4, Tamron 60/2.0, 70-200/4L IS, 70-200/2.8 IS, 85/1.8, Tamron 90/2.5 Macro, 100/2.8 USM, 100-400L II, 135/2L, 180/3.5L, 300/4L IS (x2), 300/2.8L IS, 500/4L IS, EF 1.4X II, EF 2X II. Flashes, studio strobes & various access. - FLICKR (external link) - EXPOSUREMANAGER (external link)

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Keesbeest
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The Hague, The Netherlands
Dec 12, 2009 15:20 |  #9

Repairing AF on the Canon 50 f/1.4:

http://www.fotomozaic.​ro/artikel.php?idstory​=225&s=1external link


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Lars ­ Daniel
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Copenhagen, Denmark
Dec 12, 2009 16:33 as a reply to Keesbeest's post |  #10

My first Canon lens and AF stopped working after 1 day :cry:
It seems a bit odd to me that they don´t make a revised version of this lens without that weakness.


Previously Canon. Now Fuji. (-And loving it!)
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wildcart
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Netherlands
Dec 12, 2009 16:35 |  #11

Mine stopped working after about 6 years :( Going to replace it with the 50mm 1.2L within 2 months :p


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Replaces
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Illinois, USA
Dec 12, 2009 17:21 |  #12

Keesbeest wrote in post #9184312external link
Repairing AF on the Canon 50 f/1.4:

http://www.fotomozaic.​ro/artikel.php?idstory​=225&s=1external link

i can't comprehend what hes saying... -.-a bad grammar lol


"If you don't walk today, you have to run tomorrow."
Nikon, then Canon, then Nikon again. But I still love POTN over NikonCafe. :p

Nikon D90, MB-D80, Nikon D600, MB-D14, Nikkor AF-S 24-70mm f/2.8G, Nikkor AF-S 70-200mm f/2.8G VR.

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richierich1212
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Vallejo, California (SF Bay Area)
Dec 12, 2009 17:26 |  #13

Yeah mine gave out early this year and I just haven't been able to send it to Canon to get it fixed.


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