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Archive 2012 · Canon Extender?
  
 
vadub1
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p.1 #1 · Canon Extender?


Will a Canon Extender work on a non canon lens, like a sigma?



Sep 28, 2012 at 06:09 PM
Monito
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p.1 #2 · Canon Extender?


It may not. Canons are unusual in that they poke into the lens barrel past the line of the lens mount. They don't even work with all Canon lenses.



Sep 28, 2012 at 06:15 PM
Ian.Dobinson
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p.1 #3 · Canon Extender?


vadub1 wrote:
Will a Canon Extender work on a non canon lens, like a sigma?


It depends on the lens. As mentioned the element on the canon TC sticks out . So you can only use it on compliant canon lenses .
But I've seen someone use a canon TC on a sigma 300/2.8 . But then again the sigma TC's work really well on the sigma lenses and are cheaper than the canon ones .



Sep 28, 2012 at 06:23 PM
EB-1
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p.1 #4 · Canon Extender?


Monito wrote:
It may not. Canons are unusual in that they poke into the lens barrel past the line of the lens mount. They don't even work with all Canon lenses.


It's hardly unusual. Canon, Nikon, and Sony/Minolta TCs, among others, protrude into the rear of the lens and have similar limited compatibility. It is mainly the cheap third party TCs that don't protrude.

EBH



Sep 29, 2012 at 05:04 AM
 

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zamco
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p.1 #5 · Canon Extender?


I used a canon 2xii on my sigma 120-300mm OS without problems


Sep 30, 2012 at 10:24 PM
CW100
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p.1 #6 · Canon Extender?


EB-1 wrote:
It's hardly unusual. Canon, Nikon, and Sony/Minolta TCs, among others, protrude into the rear of the lens and have similar limited compatibility. It is mainly the cheap third party TCs that don't protrude.

EBH


true, that's why the kenko pro DGX extender works on many telephotos





Oct 01, 2012 at 10:27 AM
capitalK
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p.1 #7 · Canon Extender?


My Canon 1.4x II TC would not work on my Sigma 70-200mm f/2.8 EX Macro II. I ended up ditching the Sigma lens because of it, I didn't want to carry around 2 TC's so I went all-L.


Oct 01, 2012 at 02:22 PM





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