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Thread: Focusing question.

  1. #1

    Default Focusing question.

    Hi, I'm a new Canon 500D user and I'm struggling with a focusing issue and am hoping to find some advice here.

    I started off using the camera with Auto AF point selection and noticed that the camera kept picking up the wrong points to focus on. So I have switched to a single centre AF point now.

    When I'm taking a portrait of a single person, I focus the point at the eyes and then recompose, no issues. But when I'm taking a portrait of 3 persons indoors, where should I point at to ensure all 3 persons are focused sharply in the picture? I use Av mode. I can't use A-DEP because I cannot manage the slow shutter speed.

    I usually shoot at a larger f for groups. But in situations where I have to shoot in low light indoor environments and flash photography is not allowed and tripods are not possible, I am forced to shoot in f2.8 or lower (I can't manage the slow shutter speed if f is higher), how do I take a portrait photo of 3 persons and ensure that all 3 are focused?

    Thanks!
    Last edited by meadowbank; 13th October 2009 at 08:57 PM.

  2. #2

    Default Re: Focusing question.

    Up your ISO to compensate for the smaller aperture.
    Alpha

  3. #3

    Default Re: Focusing question.

    Like Rashkae says, up the ISO in order to use a smaller aperture. If you max that out on your camera, you'll need to use flash.

    Perhaps ensure all 3 people are as close together as possible and on the same plain, perpendicular to the camera?

  4. #4
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    Default Re: Focusing question.

    Up your ISO. Since you are shooting at wide aperture, by making the 3 of them standing in a straight line will help in getting them all in focus. Or you can stop down 1/3 or 2/3 f stops.

  5. #5

    Default Re: Focusing question.

    in this case.. shld use all 9 points issit?
    Canon 450D/ F1.8 50MM/ EF-S 55- 250MM/ IS 18 - 15 MM

  6. #6

    Default Re: Focusing question.

    Quote Originally Posted by meadowbank View Post
    Hi, I'm a new Canon 500D user and I'm struggling with a focusing issue and am hoping to find some advice here.

    I started off using the camera with Auto AF point selection and noticed that the camera kept picking up the wrong points to focus on. So I have switched to a single centre AF point now.

    When I'm taking a portrait of a single person, I focus the point at the eyes and then recompose, no issues. But when I'm taking a portrait of 3 persons indoors, where should I point at to ensure all 3 persons are focused sharply in the picture? I use Av mode. I can't use A-DEP because I cannot manage the slow shutter speed.

    I usually shoot at a larger f for groups. But in situations where I have to shoot in low light indoor environments and flash photography is not allowed and tripods are not possible, I am forced to shoot in f2.8 or lower (I can't manage the slow shutter speed if f is higher), how do I take a portrait photo of 3 persons and ensure that all 3 are focused?

    Thanks!
    one thing about shooting big groups is tat your focal length is short, thus the DOF is being compensated for. So you do not have to worry about the aperture being too wide.
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