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Setting shutter AND aperture priority...

  • 07-10-2009 4:54pm
    #1
    GCOS
    Closed Accounts Posts: 5 ✭


    I have a Canon EOS450D - I am taking photos in a lightbox and am having difficulty with keeping both shutter and aperture priority - I set the Shutter Speed (Tv) but the camera still changes the aperture for each photo and is changing it so that each photo is coming out in different lightness/darkness - if I change the aperture (Av) then it automatically keeps changing the shutter speed and the same thing happens - ever photo is coming out differently...I have been having to get the photos similar using curves/levels but this is taking up unecessary time.

    ...apologies if this is very straightforward to fix - I have read around but nothing seems to explain how to do what I want.


Comments

  • #2
    Karoma
    Registered Users, Registered Users 2 Posts: 19,396 ✭✭✭✭Karoma


    Set it to manual and change the settings?


  • #3
    Nisio
    Registered Users, Registered Users 2 Posts: 630 ✭✭✭Nisio


    It sounds like the camera is operating in shutter priority Mode or aperture priority mode. To have control of both it prob needs to be in manual mode?


  • #4
    GCOS
    Closed Accounts Posts: 5 ✭GCOS


    Ok that was simple! Thanks! Was too focused on the bloody Av and Tv...thank you.


  • #5
    democrates
    Closed Accounts Posts: 2,046 ✭✭✭democrates


    Lol, don't worry everyone has to walk up that same learning curve.


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