Problem or Quirk with EOS 33?

Discussion in 'Australia Photography' started by Alex, Sep 29, 2003.

  1. Alex

    Alex Guest

    I was using my EOS 33 with the 420EX last night when I noticed that
    when i was in P mode the shutter speed was set to the standard 1/60
    but when i was in Av mode the shutter speed doesn't seem to take into
    account the flash being connected. Has anyone seen his before?

    Alex, Sep 29, 2003
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  2. Yes, because as soon as you select a manal control option the camera assumes
    you know what you are doing.
    David in Perth, Sep 29, 2003
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  3. Alex

    derek Guest

    By design I think, still sort of manual in Av mode with flash ie: if not
    enough available natural light shutter will still drop below 1/60th as if no
    flash attached...this mode generally used as fill flash
    derek, Sep 29, 2003
  4. Alex

    reg-john Guest

    Av still auto selects shutterspeed mate.

    reg-john, Sep 29, 2003
  5. Alex

    SLJ Guest

    Read from , this is how it was designed. P mode would
    probably put you to 1/60 f/4.0. This combination is usually enough to
    illuminate the focused subject without the background. If you put in Av or
    Tv mode, it would illuminate the focused subject plus the normal explosure
    required. I'm not good at explaining, just read the EOS flash article from
    the site.
    SLJ, Sep 29, 2003
  6. Alex

    aardvark Guest

    Thanks very much for your help. Just got the camera recently and still
    learning the strings.

    aardvark, Sep 29, 2003
  7. Alex

    Brenton Guest

    Others may have answered adequately... I have not read them yet... but
    here are my $0.02 worth... 1 cent for each answer :)

    1) Read you instruction manual that came with the flash.. it will
    explain how the camera meters in the two modes and why it chooses its
    settings... and why and when you should choose eash setting.

    2) Basically... P sets for exposure for flash... Where Av sets to use
    the available light and used the flash as a "fill flash" this way you
    get a good exposure on the things in the photo that are not illuminated
    by the flash ... such as distant background, sunsets etc.) Av will give
    you more control over the DOF of the flash photo.

    Brenton, Sep 29, 2003
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