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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 11 Feb 2012 (Saturday) 20:17
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Kenko Telconvertor

 
ChasDennis
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Feb 11, 2012 20:17 |  #1

I am going to buy the Canon EF 70-200mm f/2.8L IS II USM Telephoto Zoom Lens. I have a AF 1.4 Teleplus Pro 300 DGX Kenko telconvertor . Will this work fine on this lens?

Will the Kenko - Teleplus PRO 300 DG 2x AF Teleconverter work also or do I need to get the Canon Telconverter?


Thanks to all who respond

Charlie




  
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Vixen89
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Feb 11, 2012 20:44 |  #2

Both will work just fine. :)


I'm actively lazy!! :D | Gear List | photovxn.com (under construction)external link

  
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rick_reno
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Feb 11, 2012 22:05 |  #3

yep, it works.




  
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NicuB
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Mar 30, 2012 09:22 as a reply to  @ rick_reno's post |  #4

Sorry to bring this back into discussion . Can you please put some some samples with 1.4x with 2x and without. I'm thinking of getting one of them to use with my 70-200 2.8IS ( mk1 ) and I would like to see if it is that bad with these TC.
Thanks




  
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amfoto1
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Mar 30, 2012 09:58 |  #5

Your Mark I lens should be fine with the 1.4X Kenko Pro 300 DG or DGX... I can't show examples because I don't have that particular teleconverter myself, though I have the lens. Instead I use the Canon 1.4X II, but even that rarely sees use on my 70-200 simply because I have two 300mm lenses, and nearly always have one or the other of them on hand to use. People who have the Kenko say it matches the Canon 1.4X II for image quality.

I would not be so quick to use any 2X on that zoom. I've done some test shots with the Canon 2X II on it and haven't been happy with the results. I'd rather use a 300mm with a 1.4X.

In general 2X don't work particularly well with zooms. An exception... The new 70-200/2.8 IS Mark II appears to work quite well with the Canon 2X Mark III. And there are probably some other rare exceptions... For example the Sigma 120-300 OS appears to work pretty well with 2X. But, generally I wouldn't expect a 2X to work well on a zoom.

Be careful though, there is also another, somewhat cheaper Kenko... "1.4X MC4" or something like that... that's not quite as good.

These might not help because they are Canon 1.4X II on 300mm (a combo I use much more often):

IMAGE: http://farm7.staticflickr.com/6081/6107916074_afbb0a7751_o.jpg

When you've got an itch...
EF 300mm f4 IS lens with EF 1.4X II TC at f8. EOS 5D Mark II camera at ISO 1600, 1/250 shutter speed. Handheld or monopod, available light.


IMAGE: http://farm7.staticflickr.com/6181/6107369225_c0a9946aef_b.jpg
Young black tail mule deer (m)
EF 300mm f4 IS lens with EF 1.4X II TC at f5.6. EOS 5D Mark II camera at ISO 1600, 1/400 shutter speed. Handheld or monopod, available light.


In summary, from all I've seen and heard and experienced myself I would have little concern about using the following combos:

EF 70-200/2.8 IS "Mark I" with Canon 1.4X II or III, or Kenko 300 DG/DGX 1.4X.

EF 70-200/2.8 IS Mark II with Canon 1.4X II or III, or Kenko 300 DG/DGX 1.4X.

EF 70-200/2.8 IS Mark II with Canon 2X Mark III.

Alan Myers (external link) "Walk softly and carry a big lens."
5DII, 7DII(x2), 7D(x2) & other cameras. 10-22mm, Tokina 12-24/4, 20/2.8, TS 24/3.5L, 24-70/2.8L, 28/1.8, 28-135 IS (x2), TS 45/2.8, 50/1.4, Tamron 60/2.0, 70-200/4L IS, 70-200/2.8 IS, 85/1.8, Tamron 90/2.5 Macro, 100/2.8 USM, 100-400L II, 135/2L, 180/3.5L, 300/4L IS (x2), 300/2.8L IS, 500/4L IS, EF 1.4X II, EF 2X II. Flashes, studio strobes & various access. - FLICKR (external link) - ZENFOLIO (external link)

  
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NicuB
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Apr 08, 2012 03:10 as a reply to  @ amfoto1's post |  #6

thanks for the reply. it looks very good. i think i'll go for it.




  
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Kenko Telconvertor
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