Canon lens error

Discussion in 'Canon' started by Klaas Guchelaar, Jun 20, 2004.

  1. Halle,

    I have a recently bought a Canon EF 70-200 2.8 IS lens and I think I'm
    encountering problems with this lens. When shooting at concerts, after
    taking a photo, my EOS3 sometimes will not drop down the mirror and block
    up. When looking at the LCD-display, it announces that the batteries are
    empty, but they're not. I have to turn off the camera and then turn in on
    again. After that it runs perfectly again.

    This problem only pops up with my EOS3, my EOS33 has not yet had this
    problem, but it's nog used as frequently as the EOS3. Other lenses on my
    EOS3 (the 50mm, 24mm and 100mm) dont't block the camera.

    Usually this happens once at a concert at the most (sometimes not at all)
    and it's only annoying, but yesterday, within 20 minutes, it blocked up
    three times and about two times in the whole time thereafter.

    I'm trying to isolte the problem, as I can't (well... don't want to) turn
    in the whole set for repairs.

    I'm using the PB-E2 on combination with the EOS3 for better grip and so I
    can use penlites. Could this couse the problem or could it be a combination
    problem between lens and camera?
    Klaas Guchelaar, Jun 20, 2004
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  2. I had a similar problem a couple of years ago with my EOS 100 and a 70-200
    canon USM lens. Can't remember the exact spec now, since I have since
    changed all my gear.

    As you describe, the picture was taken ok, but the mirror locked up and film
    did not advance until power was switched off. At first mine did this only
    at intermediate zoom settings, but it finally gave up on me when I was on an
    isolated island in the Firth of Forth (Scotland) taking wildlife pictures.
    I was really sick and could have thrown the whole lot overboard on the way

    The problem only occurred with that lens, and could be repeated on a friends
    EOS 1. I got the lens repaired and all was well afterwards, although I
    finally bought a Fuji S2 DSLR and changed over to Nikon lenses.

    Dennis Bradley, Jun 20, 2004
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  3. Thanks Dennis,

    It does indeed seem like a lens problem. As it's only two or three months
    old, I think I'll have a chat with the store where it came from.
    Klaas Guchelaar, Jun 20, 2004
  4. That sounds a good idea, Klaas. My lens was probably more than 5 years old
    when I had the problem, so I had to pay to have it repaired. Good luck.

    Dennis Bradley, Jun 20, 2004
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