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 Post subject: Bokeh
PostPosted: Thu Dec 03, 2009 5:46 am 
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Joined: Thu Nov 05, 2009 12:56 am
Posts: 79
Location: Augusta, GA
I am now trying to prefect my bokeh and was just curious how to get good bokeh and a picture like this.

http://www.flickr.com/photos/mlephotos/2882136165/
(I didnt take this)

Im also wondering if I need to use manual focus to get my whole photo blurry like this one and some others ive seen.

I WANT TO KNOW THE SECRETS! :)

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SonyA200 ~ 18-250mm ~ 50mm 1.7

http://www.flickr.com/photos/39243783@N06/


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 Post subject:
PostPosted: Thu Dec 03, 2009 6:50 am 
here is a video workshop by Gordon Laing, Editor of Camera Labs....

http://www.dslrtips.com/workshops/How_t ... ield.shtml

And to take a photo like the one you have linked to:
1- put the lens to manual focus
2- use the closest focus point you possibly can (opposite of infinity)
3- use the largest aperture you can. (in your case f/3.5 or 5.6)
4- snap the picture

And Three tips for getting shallow depth of field
1- large aperture (f/2.8 and larger works best, larger meaning f/2.0, 1.8, 1.4, 1.2 and so on)
2- shoot telephoto. 70mm will provide you with a much better bokeh than 18mm.
3- distance from subject. the closer you are to your subject the more shallow the DOF. The further your subject is from your background the more it is knocked out.

Example:

Image

Notice in this image I took earlier today...
1- I shot this image at f/2.2
2- I shot this image at 50mm not telephoto but on a cropped canon body its 80mm which is a sweet spot for portraiture.
3- I am very close to my subject, my subject is very far away from the background.

the perfect combination for shallow DOF (depth of field)

...hope that helps


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 Post subject:
PostPosted: Thu Dec 03, 2009 9:43 am 
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Joined: Sun Feb 15, 2009 12:59 pm
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Location: The Netherlands
Like this?
Image

Tomis described the smooth out of focus areas, but I think you wanted the...light dots.
These work in the same way Tomis described, but you need some bright points in the background (highlights). I used the sun reflecting of some other bikes. Postprocessing (contrast, curves) can further bring out the bokeh.

^that shot was shot with a 70-200 at I think 200 mm @ F/2.8.

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I take pictures so quickly, my highschool was "Continuous High".


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 Post subject:
PostPosted: Thu Dec 03, 2009 3:41 pm 
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Joined: Thu Nov 05, 2009 12:56 am
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Location: Augusta, GA
Thanks tomis and citrus. I was talking more about the light dots. I will give this a go and try to practice with some christmas lights. :)

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http://www.flickr.com/photos/39243783@N06/


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 Post subject:
PostPosted: Thu Dec 17, 2009 10:10 am 
when the light source (dots) in the background are out of focus, it shows up as a round dot in the your shot

pretty much like Tomis cover above.

Use lenses with Large aperture ( ex: f2.8, f2, f1.8, f1.4, f1.2 )
then place your subject some what close to the lens, the greater the distance of the background = the better bokeh
ex lenses are does these best are fast Primes lenses, 35mm, 50mm 85mm ..... etc

some bokeh example to demonstrate

1Image
f1.2
2Image
f2 i think at close as possible
3Image
f1.4 at close as possible
4Image
f2.8 at close as possible.
5Image
this is just making it out of focus a little.


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