That's true. My SP 2.8/35-105 did the same. It was an exceptional lens
when I got it, (but wide open), but after year of semi-pro use it got
wobbly and resolution dropped down. It's clearly visible in the slides
I shot when testing it after purchase and slides now. And I have got
the manual focus version, I think the AF would be even worse.
This experience got me back to K & A primes... They just don't have
such problems. Or maybe * zoom, if I can get enough money.
Frantisek
>>I just bought two of these, and although I have not yet tested them
>>optically, I am a bit disappointed in the build quality. Very plastic.
>>Zoom
>>feel not that great. And both my lenses have some barrel wobble.....which
>>is
>>inexcusable for a single barrel extension. I also have the new Tamron
>>24-135, and the build quality is much better....very tight. Again, I have
>>not yet compared them optically.
>Don't be fooled by the "tight" feeling. My SP35-105/2.8 was once very smooth
>nd nice (not optically), but everything was going wrong within one year...
>( regards,
>Alan Chan
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