Question about Canon 35-70mm f/3.5-4.5 FD Lens

1 Answer

Camera lens focus problem

Photos from my lens are fine in about 70% of the area, but in the bottom left corner and up to maybe 1/3 of the height and 1/3 of the way in towards the right the image is soft.

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  • the_nool Nov 03, 2007

    Thanks Joel.

    I had found that out in the time since I posted.

    The lens in question is a canon 28-70 2.8L (and my favorite) which has served me excellently before this.

  • gtvetner Jan 04, 2009

    I can not get the lense to focus, the photo's are comming out all out of focus

    thank you

    tanya

  • carlonoswad Jan 10, 2009

    I have just purchased the Opteka 1300L HD lens and cannot focus to get a crisp picture. Near distance was better but not as good as it should be. Am I doing something wrong?

  • solderfix May 11, 2010

    It sounds like you might have moisture in the lens, or possibly some fungus growing on it.  If you take the lens off the camera and look through it, do you see any fogginess?  If you are lucky it is something on the outside of the lens that can be cleaned off.


    The 28-70L lenses should be pretty well sealed from moisture.  It could be that a seal has leaked.

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  • 37 Answers

What lens is this? Sometimes a particular copy of a lens can have misaligned elements (some lenses are more well-known for this than others). If it is new you can return it and ask for an exchange. If its not new it'll need adjusting by the maker or a shop.

Posted on Nov 03, 2007

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