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| quote: | Originally posted by Sushipunk
Superior based on the resolution charts etc. from photozone.de's review of both lenses.
Its autofocus isn't as fast/accurate as Canon's USM (which bothered me since we do bird photography) but overall it's a kick-ass lens (you can read further back in this thread to see my many issues with Canon's 100-400mm)
Edit: Here's the link to their review:
http://www.photozone.de/sony-alpha-...-sony_70400_456 |
so uh.. I shared this link with the photo guru and here is what he said..
| quote: | Unfortunately, you can't compare lenses like that. The Photozone tests are really a whole-system test because they rely on the camera to capture a test image, then they perform their analysis on it. If they change their default body, the lens results will change. The only way you'd be able to compare a Sony lens to a Canon is by changing the mount over so you can use the same body. That, or they could buy a multi-million dollar light bench to do their testing.  |
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