2x Tc


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justshot

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Oct 7, 2005
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Hi bros....

I am thinking of getting a 2X TC (extension) to fixed on my current 70-200 2.8L IS.

Wonder would it affect the picture quality....

Please advise.

Thanks in advance...:)
 

As you are adding another layer of glass between the sensor and your lens, of course it will cause some deterioration of the picture quality. The 2x extender may be a bit too much. Suggest you stick to the 1.4x. I have one and on my 70-200L there is no noticeable effect most of the time...
 

Sandman77

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Mar 30, 2005
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Pp???
 

dEthANGeL

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Jun 20, 2004
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Siglap
Look at page 2 or this page ... there's already a discussion on it.
 

Horsba85

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Nov 10, 2005
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just wondering:

does the 2x and 1.4x TC work with an EF-S lens as well?
 

dEthANGeL

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Jun 20, 2004
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Horsba85 said:
just wondering:

does the 2x and 1.4x TC work with an EF-S lens as well?
It should but no point as most, if not all EFS lenses are variable in aperture ... your lens would be hunting, worse, image degradation. I wouldn't even dare TRY.
 

Horsba85

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Nov 10, 2005
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good point. but i guess that was worth a thought. thanks
 

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