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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 30 Dec 2010 (Thursday) 06:19
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1.4X III and 2X III compared at TDP

 
Tom ­ W
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Dec 30, 2010 06:19 |  #1

The digital Picture web site has some comparison tests available now for the new 1.4X III and 2.0X III versus their Mk II predecessors. Test shots are with the 200 f/2L.

The 1.4X...

http://www.the-digital-picture.com …453&Sample=0&Sa​mpleComp=0 (external link)

The 2X...

http://www.the-digital-picture.com …453&Sample=0&Sa​mpleComp=0 (external link)

Be sure to look at corner performance and to compare at different apertures.

Hopefully, they'll have some pictures up where comparisons can be made as well.


Tom
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KinoC
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Dec 30, 2010 08:03 |  #2

Thanks Tom! There is a clear difference between the old 2X and the new. However, I don't see a huge difference between both 1.4X but still the new one performed better but double the $ better? I 'm getting the 2X MIII but the new 1.4X.... I need to have a small talk with my pocket to justify the $$$.


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rob_turner
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Dec 30, 2010 08:18 |  #3

Thanks for the post!




  
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Tom ­ W
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Dec 30, 2010 08:22 |  #4

Just an FYI, from a poster on FM, the new 2X III will NOT allow stacking, at least not with the 1.4X II.

I've had good luck with stacking teleconverters, at least until the 7D which seems to have a high-enough pixel resolution that it's a wash between stacking the 1.4X and 2X, versus cropping the 2X image to match.


Tom
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sdipirro
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Dec 30, 2010 09:36 |  #5

To me, it looked like the clarity and contrast with the old 2x was better than the new 2x III.


Cameras: 1DX, 1D4, 20D, 10D, S90, G2
Lenses: Canon 10-22mm, 16-35mm f2.8L II, 24-70mm f2.8L, 70-200mm f2.8L IS, 300mm f2.8L IS, 200mm f2L IS, 50mm f1.4, 50mm f1.2L, 85mm f1.2L, 1.4x TC, 2x TC, 500D macro, Zeiss 21mm
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Invertalon
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Dec 30, 2010 10:25 |  #6

I can see the 2xIII looking better, but to me (without seeing which sample was which), the 1.4 II to me looked better then the new one.


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Tom ­ W
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Dec 30, 2010 10:28 |  #7

I don't see any improvement in sharpness on the new 1.4X, maybe just a tiny bit in the corner. Apparently, the field is flattened with the Mk III (less distortion).

On the 2X, I see a reduction in CA and sharper corners, particularly when stopped down 1-2 stops. I'm interested in the new 2X, though I think I'll wait until the price drops a bit.


Tom
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Invertalon
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Dec 30, 2010 10:53 |  #8

Yeah, I think I may just pick up the 1.4x II canon and when I get money get the 2x III... My tamron SP Pro 1.4 though does a great job, and I wonder if the Canon is much better. I would like the weather-sealing though, as I do like to shoot in the rain and snow every once and a while.


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Dec 30, 2010 12:18 |  #9

Will the 2*TC MIII stack with the 1.4TC MIII? It would be a shame to lose the ability to stack the teleconverters ontop of each other for those that make use of this method (esp for those using the new M2 supertelephoto lenses which might do pretty well with the M3 TCs and stacking).

Otherwise on the 2*TCMIII front the newlooks to have improved edge performence with a slight dip in contrast - however contrast can be built up in editing so I don't see that as a major problem at all. It will be interesting to hear about the AF performance of the new TCs with lenses and see how those new chips are working.

An additional interest point would be to see how they perform with different camera bodies to see if its something that only the newer bodies can really tap into or if older camera bodies can also take advantage of the new chips


Tools of the trade: Canon 400D, Canon 7D, Canon 70-200mm f2.8 IS L M2, Sigma 120-300mm f2.8 OS, Canon MPE 65mm f2.8 macro, Sigma 150mm f2.8 macro, Tamron 24-70mm f2.4, Sigma 70mm f2.8 macro, Sigma 8-16mm f4.5-5.6, Raynox DCR 250, loads of teleconverters and a flashy thingy too
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jffielde
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Dec 30, 2010 13:39 |  #10

That comparison also shows that the 200mm f/2.8 with 2X III is generally sharper than the 100-400mmL at 400mm. That's a pretty compact long-range combo with good image quality.

Edit: Sorry, it's the f/2 - -not the f/2.8 in the comparison above. That's a pretty big lens.




  
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1.4X III and 2X III compared at TDP
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