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Old 4th February 2006   #1
justshot
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Join Date: Oct 2005
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Default 2x Tc

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...
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Old 4th February 2006   #2
Digitalartist
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Default Re: 2x Tc

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...
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Old 4th February 2006   #3
JediForce4ever
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Default Re: 2x Tc

2xTC can..but you gotta do more PP lor.
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Old 4th February 2006   #4
Sandman77
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Default Re: 2x Tc

Pp???
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Old 4th February 2006   #5
dEthANGeL
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Default Re: 2x Tc

Look at page 2 or this page ... there's already a discussion on it.
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Old 4th February 2006   #6
JediForce4ever
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Default Re: 2x Tc

Originally Posted by Sandman77
Pp???
Post Processing....apply more USM
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Old 4th February 2006   #7
alus
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Default Re: 2x Tc

You may want to check this URL:
http://www.luminous-landscape.com/re.../400v400.shtml
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Old 5th February 2006   #8
Horsba85
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Default Re: 2x Tc

just wondering:

does the 2x and 1.4x TC work with an EF-S lens as well?
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Old 5th February 2006   #9
dEthANGeL
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Default Re: 2x Tc

Originally Posted by Horsba85
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.
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Old 5th February 2006   #10
Horsba85
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Default Re: 2x Tc

good point. but i guess that was worth a thought. thanks
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