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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 18 Jun 2007 (Monday) 12:55
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70-200 2.8 IS + which extender for...

 
drogos
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Jun 18, 2007 12:55 |  #1

soccer game ...first time i am shooting such event ..it's not a paid assignement just want to test out mark III so which extender should i get for this lens and 1.3 crop body ...1.4 vs. 2 is there any drawback to using any of these ...focusing, IS ...i don't know ...also with extender i will decrease minimal focusing distance right? meaning if it's 1.2 m now it will be 0.6 for 2x extender ..right ? THX


Lukasz Drogowski
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canon MARK III / 5D II / 5d / 24-70L, 50 1.4, 85 1.2 M2, 70-200 2.8 IS, Sigma 20mm 1.8 / 580ex / 580exII / 600ex

  
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nicksan
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Jun 18, 2007 14:00 |  #2

I would get the 1.4x. Not too much IQ loss and some say the decrease in AF speed is hardly felt...

With the 2x you lose AF speed and 2 stops of light. IQ suffers but while I had this combo, it yielded decent results.

I sold the 2x after I got myself a 100-400L.

drogos wrote in post #3398081 (external link)
soccer game ...first time i am shooting such event ..it's not a paid assignement just want to test out mark III so which extender should i get for this lens and 1.3 crop body ...1.4 vs. 2 is there any drawback to using any of these ...focusing, IS ...i don't know ...also with extender i will decrease minimal focusing distance right? meaning if it's 1.2 m now it will be 0.6 for 2x extender ..right ? THX




  
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drogos
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Jun 18, 2007 14:06 |  #3

thx
bh offers Kenco extenders that actually have some glass elements in it ...i always thought that extender is just a hollow tube ...


Lukasz Drogowski
Chicago Wedding Photographer (external link)
canon MARK III / 5D II / 5d / 24-70L, 50 1.4, 85 1.2 M2, 70-200 2.8 IS, Sigma 20mm 1.8 / 580ex / 580exII / 600ex

  
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nicksan
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Jun 18, 2007 14:14 |  #4

drogos wrote in post #3398462 (external link)
thx
bh offers Kenco extenders that actually have some glass elements in it ...i always thought that extender is just a hollow tube ...

Those are Extension Tubes.
I think we are talking about Tele Converters / Extenders right? (implied by the 1.4x and 2x)




  
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drogos
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Jun 18, 2007 14:18 |  #5

yeah i got all mixed up ...extenders, extension tubes ...new to the subject . I am still educating myself on this :)


Lukasz Drogowski
Chicago Wedding Photographer (external link)
canon MARK III / 5D II / 5d / 24-70L, 50 1.4, 85 1.2 M2, 70-200 2.8 IS, Sigma 20mm 1.8 / 580ex / 580exII / 600ex

  
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Atl-Fotos
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Jun 18, 2007 14:19 |  #6

I use the 1.4ex with the 70-200IS. It does stop you down to 4.0 but that is good enough... Great combo...You can check out my sport galleries to see the results (basketball is without the extender)...


Ron
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lime
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Jun 18, 2007 14:23 |  #7

nicksan wrote in post #3398430 (external link)
With the 2x you lose AF speed and 2 stops of light. IQ suffers but while I had this combo, it yielded decent results.

He won't lose AF with the 1 series (MKIII).

'drogos' the Canon 2x was mainly designed for the long teles 300 2.8/400 2.8/500 4.0/600 4.0, but people have used them on the 70-200 and are happy with the results. So just depends on how much you're willing to compromise.

Tele-converters doesn't affect the IS, nor does it reduce minimum focus distance.


Happy Shooting!
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nicksan
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Jun 18, 2007 14:28 |  #8

lime wrote in post #3398575 (external link)
He won't lose AF with the 1 series (MKIII).

'drogos' the Canon 2x was mainly designed for the long teles 300 2.8/400 2.8/500 4.0/600 4.0, but people have used them on the 70-200 and are happy with the results. So just depends on how much you're willing to compromise.


Oh snap...didn't notice the MKIII. Yep, should be good up to f8 for AF right?

N-I-C-E!!!




  
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drogos
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Jun 18, 2007 15:03 |  #9

thx guys ..You are very helpfull ...so AF is clear now but what about IQ ..if it's better with 1.4 i rather stick to that


Lukasz Drogowski
Chicago Wedding Photographer (external link)
canon MARK III / 5D II / 5d / 24-70L, 50 1.4, 85 1.2 M2, 70-200 2.8 IS, Sigma 20mm 1.8 / 580ex / 580exII / 600ex

  
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kobe629
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Jun 18, 2007 15:09 |  #10

You won't loose AF but it will be a little bit slower on focusing..


Nikon

  
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nicksan
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Jun 18, 2007 15:46 |  #11

drogos wrote in post #3398796 (external link)
thx guys ..You are very helpfull ...so AF is clear now but what about IQ ..if it's better with 1.4 i rather stick to that

I think the general thinking is that with the 1.4x you hardly lose any IQ, and if you do, it'd be minimal. With the 2x, you start to notice the IQ loss...but IMHO still useable.

I would say if you are into shooting at 400mm a lot, then get a dedicated lens...




  
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70-200 2.8 IS + which extender for...
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