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Test Gallery

A folder used for sharing various testshots
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70-200-F4 200mm
70-200-F4 200mm		 70-200-F4 70mm
70-200-F4 70mm		 70-200-F4 280mm SIGMA TC
70-200-F4 280mm SIGMA TC		 70-200-F4 98mm SIGMA TC
70-200-F4 98mm SIGMA TC
70-200-F4 280mm CANON TC
70-200-F4 280mm CANON TC		 70-200-F4 98mm CANON TC
70-200-F4 98mm CANON TC		 Canon 75-300 II @ 75mm
Canon 75-300 II @ 75mm		 Canon 75-300 II @ 300mm
Canon 75-300 II @ 300mm
Canon 50/1.8 mk I
Canon 50/1.8 mk I		 Canon 50/1.8 mk I
Canon 50/1.8 mk I		 Canon 50/1.8 without EF25II
Canon 50/1.8 without EF25II		 Canon 50/1.8 with EF25II
Canon 50/1.8 with EF25II
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CooMa 17-Dec-2004 22:01
I've tested with the Canon 1.4TC en the Sigma 1.4TC. And also to me, there was very little difference (there is some, but I think even slightly in the advantage of the Sigma!). The difference you can see is in the bricks slightly to the left of the center. The Sigma seems to leave some extra detail.
Another difference you'll notice is that the Sigma's reach is larger than the Canon's. All the pictures were taken from a tripod from the exact same location (I just switched lenses without taking the cam from the tripod). So that can influence your decision to...

Another good one is the Kenko 300PRO, even cheaper than the sigma (costs about €150 around Belgium/Holland) and can be used on more lenses than the Canon or Sigma-counterpart due to its specific build... A friend of mine has the Kenko... It's the only one that fits his Sigma 50-500...
If you have some more questions, mail me...

If you don't need the 300mm every day, than the 1.4TC is a great (and cheaper) alternative than een 300mm lens. And this goes especially for the 70-200/4.0...
Veljo Runnel 17-Dec-2004 13:26
Hi Marc,

I see you have tested 70-200 f4 with both Canon and Sigma teleconverters. To me there was no difference in quality (at 200 mm) looking at these photos. I own a 70-200 f4 too and a teleconverter could be an option for me instead of 300 mm lens. What TC was that sigma?
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