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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 04 Feb 2008 (Monday) 05:22
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DeJur Auto 2X Teleconverter to suit canon

 
rebeen
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Feb 04, 2008 05:22 |  #1

hello every buddy i do not no if this is the proper section for this but any one heard abut this teleconverter ?? is any good ? pleas any buddy Had any info abut at !


Canon EOS 6D,Canon EOS 5D mark II,Canon EOS 40D, lens: canon 70-200 f2.8L ,canon 40mm F1.8 ,canon 50mm f1.8,Tamron 90mm macro f2.8 /Tokina 12-24mm f4,Sigma 24 F1.8 DG,Canon 17-40 f4L,Canon 35-70 f4
http://www.flickr.com/​photos/rebeen_photogra​phy/ (external link)

  
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rebeen
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Feb 04, 2008 05:39 |  #2

any on please ?


Canon EOS 6D,Canon EOS 5D mark II,Canon EOS 40D, lens: canon 70-200 f2.8L ,canon 40mm F1.8 ,canon 50mm f1.8,Tamron 90mm macro f2.8 /Tokina 12-24mm f4,Sigma 24 F1.8 DG,Canon 17-40 f4L,Canon 35-70 f4
http://www.flickr.com/​photos/rebeen_photogra​phy/ (external link)

  
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Jman13
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Feb 04, 2008 05:53 |  #3

I've never heard of it.

But, a 2x TC on your Tamron 70-300 will do two things: #1, you'll lose autofocus, because the aperture at the long end will be a minimum of f/11. #2 - the image quality will not be good. Most zooms won't take a 2x TC very well...the only ones that do are the f/2.8 70-200 varieties usually. 2xTCs are best used for long primes, like the 300 f/2.8L or the 400 f/2.8L. Other than that, stick to 1.4x TCs. Even then, you'll need a faster telephoto lens to use a TC and still retain autofocus on your 400D.


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Admiring Light - http://www.admiringlig​ht.com (external link)

  
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rebeen
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Feb 04, 2008 06:06 |  #4

he Jman13
thank you ........... so much that was helpful ? what you think did work with my new sigma 55-700 or with prime 50 !! any idea ??


Canon EOS 6D,Canon EOS 5D mark II,Canon EOS 40D, lens: canon 70-200 f2.8L ,canon 40mm F1.8 ,canon 50mm f1.8,Tamron 90mm macro f2.8 /Tokina 12-24mm f4,Sigma 24 F1.8 DG,Canon 17-40 f4L,Canon 35-70 f4
http://www.flickr.com/​photos/rebeen_photogra​phy/ (external link)

  
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DeJur Auto 2X Teleconverter to suit canon
FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
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