Question about Canon EF 24-70mm f/2.8L USM Lens

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Canon lens won't focus

It won't focus

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  • 442 Answers

If it focuses OK in manual but not in auto then you may have broken ribbon cable in the lens.

Posted on Sep 02, 2016

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Posted on Jan 02, 2017

  • 41 Answers

SOURCE: New Canon EFS 18-135mm IS

Make sure both the lens and the camera are switched to af (auto focus). If that doesn't work remove the lens and replace it to make sure it is mounted properly. You can also check the camera with a different lens to make sure it isn't a problem with the settings on the camera. If all of that fails take it to a camera or electronics store that does service work to make sure it hasn't been damaged.

Posted on Jul 30, 2011

Rick Riggins
  • 1812 Answers

SOURCE: I accidently knocked over my

The impact damage to the lens will require complete disassembly to repair. These are quite complicated but can be repaired fairly inexpensively. However, it's not a user serviceable problem and will need to be repaired by a qualified service technician.


My name is Rick and I'm a professional repair technician with over 20 years in the business and have repaired many of these. I'm semi retired and work from home with little overhead so I can keep repair costs low. If you decide to have the camera repaired, please click HERE for a directory listing that suits your needs.


If this response has been of any help to you, please be sure and give a positive vote for me on FixYa.com.


Posted on Aug 14, 2011

Rick Riggins
  • 1812 Answers

SOURCE: My lens has started to

This is probably a broken gear tooth which will require major disassembly to repair and can be done fairly inexpensively. However, it's not really a user serviceable problem and should be done by a qualified service technician.


My name is Rick and I'm a professional repair technician with over 20 years in the business and have repaired many of these. I'm semi retired and work from home with little overhead so I can keep repair costs low. If you decide to have the camera repaired, please click HERE for a directory listing that suits your needs.


If this response has been of any help to you, please be sure and give a positive vote for me on FixYa.com.

Posted on Sep 09, 2011

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Canon Rebel XSi won't autofocus and makes grinding sound


There is nothing that auto-focuses except the circuit in the body - all the motors, gears etc. are in the lenses. If this is a 18-55 lens then more than likely the long shaft gear has broken teeth - a very common problem.

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There is probably dirt in the camera that restricts operation, the other concern is damaged gears, camera is trying to focus.

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I accidently knocked over my camera with the lens attached. It is a canon rebel t1i. Now when i go to take a picture, it won't focus, unless the camera lens is all the way zoomed out. When i switch it...


The impact damage to the lens will require complete disassembly to repair. These are quite complicated but can be repaired fairly inexpensively. However, it's not a user serviceable problem and will need to be repaired by a qualified service technician.


My name is Rick and I'm a professional repair technician with over 20 years in the business and have repaired many of these. I'm semi retired and work from home with little overhead so I can keep repair costs low. If you decide to have the camera repaired, please click HERE for a directory listing that suits your needs.


If this response has been of any help to you, please be sure and give a positive vote for me on FixYa.com.


Aug 12, 2011 | Canon EF-S 18-55mm f/3.5-5.6 USN Lens

1 Answer

I have a Canon EOS 550D camera fitted with a Canon Zoom Lens EF-S 18-200mm lens. I bought both together sometime early in 2010 from London Camera Exchange, Nottingham. I am not in Nottingham at the moment,...


Just a thought - are your Image Stabilizer and Auto Focus switches On or Off?
Might be worth experimenting with them.
Otherwise, sorry, can't help.
May be necessary to contact your vendor.

Aug 09, 2011 | Canon EFS 18200mm f3556 IS Zoom Lens + UV...

1 Answer

New Canon EFS 18-135mm IS lens failed to auto focus on EOS Rebel XTI and shutter won't release to take photo. Lens over a few months has worked without a problem. What is the problem?


Make sure both the lens and the camera are switched to af (auto focus). If that doesn't work remove the lens and replace it to make sure it is mounted properly. You can also check the camera with a different lens to make sure it isn't a problem with the settings on the camera. If all of that fails take it to a camera or electronics store that does service work to make sure it hasn't been damaged.

Jul 30, 2011 | Canon Cameras

1 Answer

My shutter won't fire using 18-55 lens, either on Manual, P or Auto mode. It is set to AF. But when lens is set to MF, shutter fires. I tried switching to another lens and shutter is perfectly fine.


I could be that your lens isn't focusing. If the Auto focus can't find something to focus on the shutter won't fire. If you are shooting in low light sometimes it has trouble try shooting something that is well lit. also your auto focus point may be somewhere other than the center. there is a button on the top of your camera that looks like this [ ][ ] [ ] [ ]
More or less that will switch where your focus point is. If you look in the view finder and see a red dot when you push on the shutter button that is your focus point. push the above button until the red dot is in the centre. that may fix your problem.

Jul 26, 2011 | Canon EOS 450D Digital Camera with 18-55...

1 Answer

My camera can't focus when i press halfway down to focus before i press all the way down to snap the photo. it is only a problem with my 18-55mm lens. all my other lenses focus and take photos...


First off, try gently turning the focus ring on your lens while it is on auto focus mode (DO NOT force it). Sometimes a minor bump on the lens can cause the focus ring to come off the tracks. Try that and see if the lens start auto focusing again. I find that this solves the issues a lot of the time. If that doesn't give you any results then you'll need to take your lens to an authorized Canon service center for repairs. Hope this helps!

Hiram
Photo Tech Repair Service
110 East 13th Street
New York, NY 10003
212-673-8400

Jul 06, 2011 | Canon EOS 7D Digital Camera with 1855mm...

1 Answer

My 400mm lens is so hard to slide out when I go to zoom what do I do


turn the 'lock/friction ring' (metal band just below the black rubber focusing ring) counter clockwise whilst holding the focusing 'ring' still. The friction/lock ring is used to prevent 'lens creep' when carrying the camera with lens pointing down, or using the lens when it is pointing down. Juust turn it until it applies the level of friction you prefer for operating the lens. If you have already tried this and it won't budge it may be the bearings are shot and you will need to contact a canon service centre for repair.

Dec 03, 2010 | Canon EF 100-400mm f/4.5-5.6 IS USM Lens

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