Thread: Canon Lens
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Old 04-30-2010, 01:53 AM   #18
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Originally Posted by troy12n View Post
If you are referring to the 100-400 It was released in 1998, not 2002. And yes, both have 2 mode IS, the 100-400 uses one of the older IS systems, leaves some to be desired, and AF is slow. There is also reports on some of the forums about sharpness variation between lenses. Mine is pretty sharp stopped down, even at 400. I dont have any complaints about IQ. I just dont like the push-pull and AF slowness compared to more modern USM lenses.
Thank you Troy for the date correction. So maybe we could hope for some updating and do away with the push pull design.
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