Question about Canon EF 75-300mm f/4-5.6 IS USM Lens

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Focus hard to turn on Canon EF 75-300mm f/4-5.6 lll lens

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 153 Answers

SOURCE: autofcous and manual focus do not work

excuse me if this is a dumb question but you wouldn't believe the things people do...., but in manual mode are you actually manually trying to move the lens? as manual mode means just that you take hold of the lens and turn it. If it wont turn it sounds like the lens is jammed and needs returning/repairing.

if taking hold of the lens and turning it works for manual mode, take the lens off and clean the gold contacts on both the camera and the lens with a pencil erasor this may bring the auto focus back to life, switch back to auto and try again, if not its most likely the lens but take the body to a canon store and try another lens just to double check the body is ok

drop me a line if i can be of further assistance

best of luck

Posted on Jun 09, 2008

koraypek
  • 6 Answers

SOURCE: Canon Rebel XTI Ef-S Lens stuck

Hello Pittsburgh! I lived there for 3 years! Dreadful city. :-)

Now, your lens must have a problem with the guide rails/pins. If you dropped it or bumped it, you might have broken/damaged those guide rails. Another reason might be sand/grit in the zoom mechanism.

You may try stripping the lens slowly and see if you can identify the problem. Most lenses are easy to disassemble, you start from the rear mount area, take off screws, and parts one by one, and be organized (i.e., take photos for every step and don't mix the screws).

Good luck.

K.

Posted on Sep 21, 2008

  • 362 Answers

SOURCE: Dust inside the canon ef 24 85mm lens

CAUTION! DO NOT EVEN THINK ABOUT DISASSEMBLING YOUR LENS. In 1964, I made the mistake of doing the same thing for a single focal-length lens for my Nikon F. This lens did not even approach the mechanical complexity of a modern zoom lens. Lenses are put together like jigsaw puzzles. I removed one screw and found to go further, I needed to do another. In fifteen minutes, the lens was in 50 pieces on the table. It cost over $175 to have a camera repair man reassemble it. This was a a time when the top of the line Nikon sold for $300 vs. $5000 today. Usually dust between elements does not affect performance, but if it is degrading your pictures, take the lens to a professional. This is not a job for an amateur.

Posted on Nov 28, 2008

  • 67 Answers

SOURCE: Canon EF-S 17-85MM F/4-5.6 IS USM prevents features from working on 40D

something sounds strange about this. aperture 00 is an invalid aperture value. stands to reason if that is the case the camera would complain about it. via error code. being that its only six mos. old i would give canon a ring.

Posted on Dec 11, 2008

  • 30 Answers

SOURCE: my canon eos rebel xt 350d wont focus

change your manual settings

Posted on Oct 11, 2009

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1 Answer

I dropped my camera and hit the lens and now auto focus does not work


You'll probably need a professional repair. Compare the cost of repair with the cost of replacement. On that lens it could be about the same.

Dec 17, 2012 | Canon EF-S 18-55mm f/3.5-5.6 USN Lens

1 Answer

Canon EF-S 18-55mm f/3.5-5.6 USN Lens won`t auto focus


Try cleaning the electronic contacts on the lens and camera.

Jun 30, 2017 | Canon EF-S 18-55mm f/3.5-5.6 USN Lens

1 Answer

18-55 lens not doing auto-focus


I offer you to buy Canon EF 24-105mm f/4 L IS USM Lens. This gives very good performance for your studio work and specially for portre. It has Image Stabilization and Ultrasonic Motor. Other professional lens are very expensive. It has red ring.
Please check the link below.
http://www.the-digital-picture.com/Reviews/Canon-EF-24-105mm-f-4-L-IS-USM-Lens-Review.aspx

Regards

Apr 13, 2010 | Canon 28-135mm f/3.5-5.6 EF IS USM AF Lens

1 Answer

Canon EF 75-300mm f/4-5.6 III USM Lens Auto focus motor keep working back and forth but lense is not able to stop on focus right. Had eror 01 also sometime with manual focus.


If your AF motor is hunting then the lens probably needs to be looked at. I wouldn't recommend this as something to do at home so you will need to either find a repair shop if it is out of warranty or return it to Canon if it is in warranty.

Jan 17, 2010 | Canon 75-300mm f/4-5.6 III USM EF Lens

1 Answer

Focus hutning with Canon EF-S 17-85mm f/4-5.6 Image Stabilized


I had this problem too, then my camera started getting Error 99 (there is some problem) and not working.
If you look at this website and follow the steps under Update 2
http://www.richardsnotes.org/archives/2005/04/29/50mm-lens-contact-points/
I think you will fix your problem. The connections between lens and camera probably have a little dust in them, use a soft rubber eraser to clean them. Make sure no dust or pieces fall into the camera or lens when cleaning!

Jul 28, 2009 | Canon EF-S 17-85MM F/4-5.6 IS USM Lens

1 Answer

EF-S 17-85mm will not auto focus on fuul zoom my other lenses work ok so must be this lens ? it keeps on trying but most time ends up out of focus


A dirty filter or smudges/marks on the optics, especially the rear element can cause focus issues. Cleaning the pins contacts on the mount of the lens can be a simple solution too. Beyond that, circuit replacement is the next likely step.

Jun 05, 2009 | Canon EF-S 17-85MM F/4-5.6 IS USM Lens

2 Answers

Would this lens work with my digital canon xs?Sigma 70-300mm f/4-5.6 Macro AF zoom lens for Canon EF film cameras


yes ef stands for electric focus which is what your camera mounting should be check your mounting to make sure its EF and if it is go for it. also the mounting type might be in your hand book

Apr 17, 2009 | Canon EOS Digital Rebel XS / 1000D IS...

1 Answer

Distance scale does not move on canon efs 17-85mm lens


Yes, this is normal. Some zoom-lenses adjust the focus when zooming, to always keep the subject in focus. Those tends to be the more expensive lenses.
So you don't have to worry, nothing is wrong with your lens.
/Chris

Jan 10, 2009 | Canon EF-S 17-85MM F/4-5.6 IS USM Lens

1 Answer

My camera lense will not focus automatically or manually.


There is no battery in the lens.  The lens receives power from the camera. Whether or not the lens is getting power, though, you should be able to focus manually.
When you say you can't focus manually, do you mean that you can't turn the focusing ring on the lens, or that when you turn the ring the image does not come into focus?
If you decide the lens needs to be repaired, I recommend sending it to Canon.  You can go to their website (canonusa.com if you're in the US), click on support, and follow the links.

Dec 20, 2008 | Canon EF 70-300mm f/4.5-5.6 DOIS USM Lens

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