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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 14 Mar 2011 (Monday) 17:52
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How to achieve Bokeh with the 50mm/f1.8

 
syndicate1
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Mar 14, 2011 17:52 |  #1

Just wondering what the distance should be between the following, in order to achieve good bokeh:

1. subject and background

2. subject and myself using the 50mm f1.8 lens

Thanks




  
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Nightdiver13
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Mar 14, 2011 17:58 |  #2

"Bokeh" will be achieved regardless of what the conditions are. If you're asking how to maximize the apparent background blur, then the closer you are to your subject, and the further the subject is from the background, the better. If you want nice little bokeh-balls (Kai reference!), shoot wide open. The 50 1.8 quickly forms pentagons as you stop down.


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JeffreyG
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Mar 14, 2011 18:02 |  #3

The aesthetic appearance of the background blur (the bokeh) is not generally very good for this lens, but you can still get nice appearing blur by chosing backgrounds that do not have repeating lines or bright highlight points that will form unsightly doubling or hard edged rings.

The degree of blur is simply a function of the aperture, subect distance and then the distance to the background. Having the subject close to you relative to the background and using a large aperture will create more blur of course. It might no make it look better though.


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Jill-of-all-Trades
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Mar 14, 2011 18:17 |  #4

In my opinion this lens can produce some real nice bokeh. Considering the price of the lens, I'm quite happy.

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yjt
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Mar 14, 2011 18:34 |  #5

Jill-of-all-Trades wrote in post #12020061 (external link)
In my opinion this lens can produce some real nice bokeh. Considering the price of the lens, I'm quite happy.

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the bokeh is pretty amazing wide open :), but are those purple fringing on the reflections?


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Jill-of-all-Trades
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Mar 14, 2011 18:41 |  #6

Yes, there is some CA, but it's a cheap lens.


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ilumo
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Mar 14, 2011 19:47 |  #7

Jill-of-all-Trades wrote in post #12020243 (external link)
Yes, there is some CA, but it's a cheap lens.

The 50l has tons of fringing as well.


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dhilo2
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Mar 14, 2011 21:55 |  #8

For the price the CA I suppose isn't that big of a deal. As previously stated, the bokeh will be best achieved once the subject is distant from the background while shooting at wideopen. The bigger the distance the better the bokeh so just play around with it til you feel you get the image you were looking for.


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Mar 14, 2011 22:28 |  #9

dhilo2 wrote in post #12021498 (external link)
For the price the CA I suppose isn't that big of a deal. As previously stated, the bokeh will be best achieved once the subject is distant from the background while shooting at wideopen. The bigger the distance the better the bokeh so just play around with it til you feel you get the image you were looking for.

Not bokeh, but rather the amount of background blur. Bokeh is not the amount of blur.


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dhilo2
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Mar 14, 2011 22:33 |  #10

TeamSpeed wrote in post #12021664 (external link)
Not bokeh, but rather the amount of background blur. Bokeh is not the amount of blur.

Hmm interesting. I always thought they were one and the same.


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DreDaze
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Mar 14, 2011 22:35 |  #11

syndicate1 wrote in post #12019867 (external link)
Just wondering what the distance should be between the following, in order to achieve good bokeh:

1. subject and background

2. subject and myself using the 50mm f1.8 lens

Thanks

do you already have the lens?...if so go take pictures, and experiment with the aperture, and distance...it'll be more useful than any answers here


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LOKPhotography
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Mar 15, 2011 00:30 |  #12

Nightdiver13 wrote in post #12019921 (external link)
"Bokeh" will be achieved regardless of what the conditions are. If you're asking how to maximize the apparent background blur, then the closer you are to your subject, and the further the subject is from the background, the better. If you want nice little bokeh-balls (Kai reference!), shoot wide open. The 50 1.8 quickly forms pentagons as you stop down.

Haha Bokehlicious!!!


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Mar 15, 2011 00:38 |  #13

dhilo2 wrote in post #12021688 (external link)
Hmm interesting. I always thought they were one and the same.

Bokeh is supposed to be a reference to the aesthetic qualities of the out of focus elements in an image. Eventually I think everyone will either think bokeh means blurry background or they will think bokeh means orb shaped out-of-focus specular highlights. :rolleyes:
If your up for some reading the guys at luminous landscape are always enlightening..
http://www.luminous-landscape.com/essays/b​okeh.shtml (external link) :)


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Mar 15, 2011 00:58 |  #14

TeamSpeed wrote in post #12021664 (external link)
Not bokeh, but rather the amount of background blur. Bokeh is not the amount of blur.

Bokeh refers to a blurred background that is aesthetically pleasing. I strive to produce images with a buttery smooth background, to me that is good bokeh (opinions vary). Not all lenses are capable of producing it.

The image below shows the kind of bokeh which I find most pleasing.

Taken with 7D and 400 f/5.6L. I was about 12 feet from the subject and the background which consisted of some nice fall color leaves was about 200 feet away. The 400 f/5.6 is capable of producing gorgeous bokeh.

Av Mode ISO 100 f/5.6 1/500 sec spot metering.

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JustinRageth
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Mar 15, 2011 01:05 |  #15

Jill-of-all-Trades wrote in post #12020243 (external link)
Yes, there is some CA, but it's a cheap lens.

It is inexpensive, not cheap. This lens takes great pictures and for my purposes it works well enough that I dont think I will need to upgrade it


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How to achieve Bokeh with the 50mm/f1.8
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