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Thread started 27 Oct 2007 (Saturday) 18:45
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What causes this effect ?

 
shaunknee
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Oct 27, 2007 18:45 |  #1

Shot today with my sharp 70-200 2.8 IS with a Canon 1.4 II TC.

I haven’t used the converter much. 1/50 f/4 iso 500 at 280mm

TIA



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Nikolas
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Oct 27, 2007 18:58 |  #2

Looks like foreground foliage being out of focus due to its proximity between you and the deer.
Do other photos exhibit this effect?
If not there's your answer.


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shaunknee
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Oct 27, 2007 19:16 as a reply to  @ Nikolas's post |  #3

Pretty unusual looking oof blur. Another shot


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ed ­ rader
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Oct 27, 2007 19:22 |  #4

shaunknee wrote in post #4203103 (external link)
Shot today with my sharp 70-200 2.8 IS with a Canon 1.4 II TC.

I haven’t used the converter much. 1/50 f/4 iso 500 at 280mm

TIA

the teleconverter most likely. i've gotten similar results with my 70-200L + 1.4 TC when there's foliage in the background (foreground).

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wimg
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Oct 27, 2007 19:24 |  #5

Was there any wind?

if not, what filter are you using, if any?

A cheap filter may cause something like this.

Kind regards, Wim


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Oct 27, 2007 19:28 |  #6

Almost looks its been through PS...Cool effect though.
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shaunknee
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Oct 27, 2007 19:31 |  #7

Yes it was windy here today. B&W Pro filter

PS included slight crop and bump in saturation


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wimg
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Oct 27, 2007 19:37 |  #8

shaunknee wrote in post #4203337 (external link)
Yes it was windy here today. B&W Pro filter

PS included slight crop and bump in saturation

It wasn't the filter if you mounted a B+W MRC F-Pro to it.

If it was windy, that was very likely the cause. The thinner branches display more of this weird "bokeh" than the thicker trees.

Kind regards, Wim


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Crypto
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Oct 27, 2007 20:01 as a reply to  @ wimg's post |  #9

I often times get the same effect in the woods:

I use no filter. It seems to appear with slower shutter speeds. This is 1/30.

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deadpass
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Oct 27, 2007 20:46 |  #10

i think it's related to the slow shutter speed, try a faster speed next to confirm.


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proxes
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Oct 27, 2007 21:20 |  #11

I'm not sure it's shutter speed. I've gotten similar results with a 70-200f/2.8L IS w/ 1.4x II and all my shots were over 1/250, some even around 1/800.


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wilvoeka
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Oct 28, 2007 00:51 |  #12

Im going to guess that it is an effect caused by the IS and moving foliage combo.

The Foliage is blowing one way and the IS was orking the other or some similar type of situation.

It looks like the OOF was smudged in photoshop, kind of a neat effect.




  
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mrfourcows
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Oct 28, 2007 01:27 as a reply to  @ wilvoeka's post |  #13

the lens is lousy! :p


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Crypto
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Oct 28, 2007 03:21 |  #14

wilvoeka wrote in post #4204590 (external link)
Im going to guess that it is an effect caused by the IS and moving foliage combo.

The Foliage is blowing one way and the IS was orking the other or some similar type of situation.

It looks like the OOF was smudged in photoshop, kind of a neat effect.

no IS on mine


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segasaturn
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Oct 28, 2007 04:27 |  #15

I think the effect is nice.




  
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What causes this effect ?
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