Canon exposure problems

Discussion in 'Canon' started by Doug Cunningly, Jan 23, 2004.

  1. I've been using Canons since '73. I've gone through a B+H FD35, an AV-1,
    and two t90s.

    They all seem to have the same problem as time goes on, which is
    underexposure. I change batteries but it doesn't seem to make a difference.
    I generally compensate by adjusting the film speed down half to a full stop
    and it takes care of it.

    But why does this happen? I'd assume it's not the lenses, since one of the
    t90's works OK. If it was the shutter aging, I'd expect overexposure not
    underexposure. So it must be the metering.

    Anybody else have this problem with Canon's? Is there an internal
    adjustment they can make, especially for the t90? I'd hate to spend 50 or
    60 dollars for an estimate only to have them tell me they can't fix it.

    Thanks, Doug
    Doug Cunningly, Jan 23, 2004
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  2. Doug Cunningly

    Slingblade Guest

    Been using an A-1 and FTb for about 20 years...never had these
    Slingblade, Jan 23, 2004
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  3. Doug Cunningly

    Roger Guest

    My EOS1000 has consistently underexposed since I had it - I sent it back to
    Canon and they told me the meter was fine. I think its a function of the
    evaluative zone program that Canon uses because the Spot meter is much
    better - so much so that I nearly always use it instead. That said, dialling
    in 1/2 a stop over-exposure always does the trick too.

    The UK photography magazine 'Photography Monthly' showed some test pictures
    from the budget EOS300v and the Minolta Dynax 3L. Guess what - the Canon's
    35 zone evaluative metering was underexposed whereas the Minolta was
    absolutely spot on. This apparently uses A 14-zone 'honeycomb' pattern.

    My (limited) experience tells me that Canon's idea of 'correct exposure' may
    just be a little out!

    Roger, Jan 25, 2004
  4. Doug Cunningly

    Alan Kerr Guest

    All the Canons seem to and are even worse when using their flash system.
    I changed to Minolta several years ago because of their accurate
    metering and superior flash system and couldn't be happier (saved a few
    bucks too). Now I just need a decent DSLR from Minolta.

    Alan Kerr, Jan 27, 2004
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