how do you create that blur effect?

Discussion in 'Photography Beginners' Forum' started by deekim, Jul 8, 2010.

  1. deekim

    deekim TPF Noob!

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    I noticed a lot of people have pictures of an object some what up close, maybe mid range, and the background is blurry. how do I create that effect, and in what mode, and what settings? I can easily recreate this effect in photoshop, but I want to make it with the camera itself. please help! i got a canon powershot sx100 si
    * i want to do this with a car * :pimp:
     
    Last edited: Jul 8, 2010
  2. freeze3kgt

    freeze3kgt TPF Noob!

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    if you can change you camera mode to manual or aperture and take it as "high" as it will go to like f/2 or f/4 ... something like that ... if you go to f/11 and up the blurry background thing doesnt work

    http://en.wikipedia.org/wiki/Depth_of_field

    or google dof (depth of field)

    or even try bokeh in google get some cool looking shots and maybe tutorials

    a lot of theads on this already so you can try searching for dof or something like that also
     
  3. burstintoflame81

    burstintoflame81 TPF Noob!

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    Try the search button at the top, this topic has been beaten to death and tehre is a billion threads on it. Its commonly referred to as "Bokeh"
     
  4. KmH

    KmH Helping photographers learn to fish Supporting Member

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    Even though 'bokeh' is the wrong term to use.

    A handy online DOF calculator is found at www.dofmaster.com.

    DOF is controlled by the photographer using 4 parameters:
    1. Lens focal length
    2. lens aperture
    3. lens to subject distance
    4. subject to background distance
     
  5. Aye-non Oh-non Imus

    Aye-non Oh-non Imus TPF Noob!

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    It is an effect acheived by apeture setting, camera to subject distance and subject to background distance. Most dSLR cameras can acheive this even with kit lenses. P&S cameras will struggle.

    As mentioned, use the search fucntion. Also there is a thread titled 'Load of Bokeh' on TPF in Themes forum I think. Have a look.
     
  6. shaunly

    shaunly TPF Noob!

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    I don't think you'll be able to get shallow DOF with your P&S camera. P&S sensor are just simply way too small.
     
  7. Robin Usagani

    Robin Usagani Been spending a lot of time on here!

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    Plus I dont think youll get as much blur on a car, compared to a person only because you have to be farther away from the subject if you are shooting a car. Unless you just want to take a picture of a smaller object like the shift knob or something.
     
  8. LCARSx32

    LCARSx32 TPF Noob!

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    His sx100 should be more than capable of getting a nice out-of-focus background when shooting a car. It's got a 10x optical zoom. That's a long focal range. It also has Aperture Priority mode (Av).

    My recommendation is to set it to "Av" and set the value to as low as it will go. That will narrow your depth of field (DOF) and give you the desired effect. You'll want to try to stay close to the car, as well. The farther back you are from your subject, the longer your DOF will be. Since you have such a long focal length, you should be good.
     
  9. ghpham

    ghpham TPF Noob!

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    uh....sensor have nothing to do with shallow DOF.
     
  10. fokker

    fokker No longer a newbie, moving up!

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    Another way to blur the background (on a moving subject) is by panning - use a shutter speed at something like 1/50 - 1/200s, depending on how fast the object is moving, and track it through the viefinder.

    [​IMG]
     
  11. rusty9

    rusty9 TPF Noob!

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    agreed. it would be hard to get shallow DOF w/ a P&S because you don't have enough control over the settings.
     
  12. Dao

    Dao No longer a newbie, moving up!

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    DoF varies with sensor size.

    Read up more on CoC (Circle of Confusion)
     

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