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Old Jul 3, 2006, 11:53 AM   #11
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At least on this new lens, it eases out a little bit when tilted down, but no "crash" or major extension.

YMMV, and I am sure as the lens is used it will get looser.

So far, I am very happy with it.
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Old Jul 6, 2006, 6:50 AM   #12
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GJBenn85 wrote:
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I'm considering this lens but it is sure hard to give up the fixed aperture of the Sigma 100-300 F4 that I keep searching for. I imagine this lens may be equally sharp or sharper at 300mm than the Sigma, plus it has a little extra range. Aperture difference is minimal if the Sigma is used with a 1.4x TC. Sorry, I'm rambling...just trying to work out which lens I will pursue.
The Sigma is sharper @ 300mm (or below) than the 200-500 :idea:
-> This is an oustanding lens and'll match most primes:
http://www.photozone.de/8Reviews/len...00_4/index.htm
http://www.photozone.de/8Reviews/len..._563/index.htm

With a 1.4x TC the Sigma almost equals the 200-500 in the center, but if one needs the extra reach then the 200-500 is probably better. The thing going for the Sigma is its internal zooming mechanism (ie the lens doesn't extend or retract) which stay constant in lenght - As long as one stays below 400mm then the Sigma may be a better choice and the extra f-stop may help...

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Old Jul 6, 2006, 7:54 AM   #13
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I'm suprised no one's said yet, but it appears to magnify the dust spots on your sensor very well, too.
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Old Jul 6, 2006, 8:32 AM   #14
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Greg Chappell wrote:
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I'm suprised no one's said yet, but it appears to magnify the dust spots on your sensor very well, too.
Someone already has.... read lolitamike's post.
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